Human Body: The human being as a non-anatomical and non-zoological entity. The emphasis is on the philosophical or artistic treatment of the human being, and includes lay and social attitudes toward the body in history. (From J. Cassedy, NLM History of Medicine Division)Pediculus: Lice of the genus Pediculus, family Pediculidae. Pediculus humanus corporus is the human body louse and Pediculus humanus capitis is the human head louse.Anatomy: A branch of biology dealing with the structure of organisms.Models, Anatomic: Three-dimensional representation to show anatomic structures. Models may be used in place of intact animals or organisms for teaching, practice, and study.Body Fluids: Liquid components of living organisms.Elementary Particle Interactions: The interactions of particles responsible for their scattering and transformations (decays and reactions). Because of interactions, an isolated particle may decay into other particles. Two particles passing near each other may transform, perhaps into the same particles but with changed momenta (elastic scattering) or into other particles (inelastic scattering). Interactions fall into three groups: strong, electromagnetic, and weak. (From McGraw-Hill Encyclopedia of Science & Technology, 7th ed)Lice Infestations: Parasitic attack or subsistence on the skin by members of the order Phthiraptera, especially on humans by Pediculus humanus of the family Pediculidae. The hair of the head, eyelashes, and pubis is a frequent site of infestation. (From Dorland, 28th ed; Stedman, 26th ed)History, 16th Century: Time period from 1501 through 1600 of the common era.History, 17th Century: Time period from 1601 through 1700 of the common era.Body Burden: The total amount of a chemical, metal or radioactive substance present at any time after absorption in the body of man or animal.Solar Activity: Any type of variation in the appearance of energy output of the sun. (NASA Thesaurus, 1994)Metagenome: A collective genome representative of the many organisms, primarily microorganisms, existing in a community.Back: The rear surface of an upright primate from the shoulders to the hip, or the dorsal surface of tetrapods.Electromagnetic Radiation: Waves of oscillating electric and MAGNETIC FIELDS which move at right angles to each other and outward from the source.Earth (Planet): Planet that is the third in order from the sun. It is one of the four inner or terrestrial planets of the SOLAR SYSTEM.Posture: The position or attitude of the body.MuseumsMercury Compounds: Inorganic compounds that contain mercury as an integral part of the molecule.Protective Devices: Devices designed to provide personal protection against injury to individuals exposed to hazards in industry, sports, aviation, or daily activities.Bombs: A weapon designed to explode when deployed. It frequently refers to a hollow case filled with EXPLOSIVE AGENTS.Elastic Cartilage: A type of CARTILAGE whose matrix contains ELASTIC FIBERS and elastic lamellae, in addition to the normal components of HYALINE CARTILAGE matrix. Elastic cartilage is found in the EXTERNAL EAR; EUSTACHIAN TUBE; EPIGLOTTIS; and LARYNX.Beauty: Characteristics or attributes of persons or things which elicit pleasurable feelings.Models, Biological: Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.Wireless Technology: Techniques using energy such as radio frequency, infrared light, laser light, visible light, or acoustic energy to transfer information without the use of wires, over both short and long distances.Acceleration: An increase in the rate of speed.Phthiraptera: An order of small, wingless parasitic insects, commonly known as lice. The suborders include ANOPLURA (sucking lice); AMBLYCERA; ISCHNOCERA; and Rhynchophthirina (elephant and warthog lice).Vibration: A continuing periodic change in displacement with respect to a fixed reference. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Anatomy, Artistic: The study of the structures of organisms for applications in art: drawing, painting, sculpture, illustration, etc.History, 18th Century: Time period from 1701 through 1800 of the common era.Bartonella quintana: A species of gram-negative bacteria in which man is the primary host and the human body louse, Pediculus humanus, the principal vector. It is the etiological agent of TRENCH FEVER.Monitoring, Ambulatory: The use of electronic equipment to observe or record physiologic processes while the patient undergoes normal daily activities.Biomechanical Phenomena: The properties, processes, and behavior of biological systems under the action of mechanical forces.Emergency Responders: Personnel trained to provide the initial services, care, and support in EMERGENCIES or DISASTERS.Whole Body Imaging: The creation of a visual display of the inside of the entire body of a human or animal for the purposes of diagnostic evaluation. This is most commonly achieved by using MAGNETIC RESONANCE IMAGING; or POSITRON EMISSION TOMOGRAPHY.Skin: The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.Sweat: The fluid excreted by the SWEAT GLANDS. It consists of water containing sodium chloride, phosphate, urea, ammonia, and other waste products.Odors: The volatile portions of substances perceptible by the sense of smell. (Grant & Hackh's Chemical Dictionary, 5th ed)Medical Illustration: The field which deals with illustrative clarification of biomedical concepts, as in the use of diagrams and drawings. The illustration may be produced by hand, photography, computer, or other electronic or mechanical methods.Mouth: The oval-shaped oral cavity located at the apex of the digestive tract and consisting of two parts: the vestibule and the oral cavity proper.Clothing: Fabric or other material used to cover the body.Pesticide Residues: Pesticides or their breakdown products remaining in the environment following their normal use or accidental contamination.Equipment Design: Methods of creating machines and devices.Computer-Aided Design: The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics.Qi: The vital life force in the body, supposedly able to be regulated by acupuncture. It corresponds roughly to the Greek pneuma, the Latin spiritus, and the ancient Indian prana. The concept of life-breath or vital energy was formulated as an indication of the awareness of man, originally directed externally toward nature or society but later turned inward to the self or life within. (From Comparison between Concepts of Life-Breath in East and West, 15th International Symposium on the Comparative History of Medicine - East and West, August 26-September 3, 1990, Shizuoka, Japan, pp. ix-x)Body Water: Fluids composed mainly of water found within the body.Typhus, Epidemic Louse-Borne: The classic form of typhus, caused by RICKETTSIA PROWAZEKII, which is transmitted from man to man by the louse Pediculus humanus corporis. This disease is characterized by the sudden onset of intense headache, malaise, and generalized myalgia followed by the formation of a macular skin eruption and vascular and neurologic disturbances.Environmental Pollutants: Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS.Face: The anterior portion of the head that includes the skin, muscles, and structures of the forehead, eyes, nose, mouth, cheeks, and jaw.Equipment Failure Analysis: The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.Transducers: Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Bacteria: One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.Computer Simulation: Computer-based representation of physical systems and phenomena such as chemical processes.Electromagnetic Fields: Fields representing the joint interplay of electric and magnetic forces.Microbial Interactions: The inter- and intra-relationships between various microorganisms. This can include both positive (like SYMBIOSIS) and negative (like ANTIBIOSIS) interactions. Examples include virus - bacteria and bacteria - bacteria.Gastrointestinal Tract: Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS).Dioxins: Chlorinated hydrocarbons containing heteroatoms that are present as contaminants of herbicides. Dioxins are carcinogenic, teratogenic, and mutagenic. They have been banned from use by the FDA.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Movement: The act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.Body Composition: The relative amounts of various components in the body, such as percentage of body fat.Trench Fever: An intermittent fever characterized by intervals of chills, fever, and splenomegaly each of which may last as long as 40 hours. It is caused by BARTONELLA QUINTANA and transmitted by the human louse.Radio Waves: Electromagnetic waves with frequencies between about 3 kilohertz (very low frequency - VLF) and 300,000 megahertz (extremely high frequency - EHF). They are used in television and radio broadcasting, land and satellite communications systems, radionavigation, radiolocation, and DIATHERMY. The highest frequency radio waves are MICROWAVES.Electricity: The physical effects involving the presence of electric charges at rest and in motion.Body Temperature Regulation: The processes of heating and cooling that an organism uses to control its temperature.Adipose Tissue: Specialized connective tissue composed of fat cells (ADIPOCYTES). It is the site of stored FATS, usually in the form of TRIGLYCERIDES. In mammals, there are two types of adipose tissue, the WHITE FAT and the BROWN FAT. Their relative distributions vary in different species with most adipose tissue being white.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Telemetry: Transmission of the readings of instruments to a remote location by means of wires, radio waves, or other means. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Reference Values: The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality.Magnetic Resonance Imaging: Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.Body Temperature: The measure of the level of heat of a human or animal.Radiation Dosage: The amount of radiation energy that is deposited in a unit mass of material, such as tissues of plants or animal. In RADIOTHERAPY, radiation dosage is expressed in gray units (Gy). In RADIOLOGIC HEALTH, the dosage is expressed by the product of absorbed dose (Gy) and quality factor (a function of linear energy transfer), and is called radiation dose equivalent in sievert units (Sv).Metagenomics: The genomic analysis of assemblages of organisms.Chromatography, High Pressure Liquid: Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.Body Size: The physical measurements of a body.Food Contamination: The presence in food of harmful, unpalatable, or otherwise objectionable foreign substances, e.g. chemicals, microorganisms or diluents, before, during, or after processing or storage.Respiratory System: The tubular and cavernous organs and structures, by means of which pulmonary ventilation and gas exchange between ambient air and the blood are brought about.Tissue Distribution: Accumulation of a drug or chemical substance in various organs (including those not relevant to its pharmacologic or therapeutic action). This distribution depends on the blood flow or perfusion rate of the organ, the ability of the drug to penetrate organ membranes, tissue specificity, protein binding. The distribution is usually expressed as tissue to plasma ratios.Feces: Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.Disease Models, Animal: Naturally occurring or experimentally induced animal diseases with pathological processes sufficiently similar to those of human diseases. They are used as study models for human diseases.Hair: A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body.Imaging, Three-Dimensional: The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object.Environment: The external elements and conditions which surround, influence, and affect the life and development of an organism or population.Muscle, Skeletal: A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.Environmental Exposure: The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.Algorithms: A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.Neoplasms: New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.Reproducibility of Results: The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.Dose-Response Relationship, Drug: The relationship between the dose of an administered drug and the response of the organism to the drug.Electric Impedance: The resistance to the flow of either alternating or direct electrical current.Gas Chromatography-Mass Spectrometry: A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds.Medicine, Chinese Traditional: A system of traditional medicine which is based on the beliefs and practices of the Chinese culture.Photic Stimulation: Investigative technique commonly used during ELECTROENCEPHALOGRAPHY in which a series of bright light flashes or visual patterns are used to elicit brain activity.Occupational Exposure: The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.Anthropometry: The technique that deals with the measurement of the size, weight, and proportions of the human or other primate body.Image Processing, Computer-Assisted: A technique of inputting two-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer.Sequence Analysis, DNA: A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.Aging: The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.Biological Markers: Measurable and quantifiable biological parameters (e.g., specific enzyme concentration, specific hormone concentration, specific gene phenotype distribution in a population, presence of biological substances) which serve as indices for health- and physiology-related assessments, such as disease risk, psychiatric disorders, environmental exposure and its effects, disease diagnosis, metabolic processes, substance abuse, pregnancy, cell line development, epidemiologic studies, etc.Cadaver: A dead body, usually a human body.Temporal Lobe: Lower lateral part of the cerebral hemisphere responsible for auditory, olfactory, and semantic processing. It is located inferior to the lateral fissure and anterior to the OCCIPITAL LOBE.Energy Metabolism: The chemical reactions involved in the production and utilization of various forms of energy in cells.Saliva: The clear, viscous fluid secreted by the SALIVARY GLANDS and mucous glands of the mouth. It contains MUCINS, water, organic salts, and ptylin.Hand: The distal part of the arm beyond the wrist in humans and primates, that includes the palm, fingers, and thumb.Brain: The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.Base Sequence: The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.Visual Perception: The selecting and organizing of visual stimuli based on the individual's past experience.Amino Acid Sequence: The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.Species Specificity: The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.Models, Theoretical: Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.Antioxidants: Naturally occurring or synthetic substances that inhibit or retard the oxidation of a substance to which it is added. They counteract the harmful and damaging effects of oxidation in animal tissues.Liver: A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances.Adaptation, Physiological: The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT.Organ Specificity: Characteristic restricted to a particular organ of the body, such as a cell type, metabolic response or expression of a particular protein or antigen.Temperature: The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.Bone and Bones: A specialized CONNECTIVE TISSUE that is the main constituent of the SKELETON. The principle cellular component of bone is comprised of OSTEOBLASTS; OSTEOCYTES; and OSTEOCLASTS, while FIBRILLAR COLLAGENS and hydroxyapatite crystals form the BONE MATRIX.JapanDiet: Regular course of eating and drinking adopted by a person or animal.Body Image: Individuals' concept of their own bodies.Administration, Oral: The giving of drugs, chemicals, or other substances by mouth.Genetic Variation: Genotypic differences observed among individuals in a population.Pan troglodytes: The common chimpanzee, a species of the genus Pan, family HOMINIDAE. It lives in Africa, primarily in the tropical rainforests. There are a number of recognized subspecies.Sex Characteristics: Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction.Postural Balance: A POSTURE in which an ideal body mass distribution is achieved. Postural balance provides the body carriage stability and conditions for normal functions in stationary position or in movement, such as sitting, standing, or walking.Phenols: Benzene derivatives that include one or more hydroxyl groups attached to the ring structure.Iron: A metallic element with atomic symbol Fe, atomic number 26, and atomic weight 55.85. It is an essential constituent of HEMOGLOBINS; CYTOCHROMES; and IRON-BINDING PROTEINS. It plays a role in cellular redox reactions and in the transport of OXYGEN.Brain Mapping: Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures.Phenotype: The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.Mutation: Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.Blood Proteins: Proteins that are present in blood serum, including SERUM ALBUMIN; BLOOD COAGULATION FACTORS; and many other types of proteins.Mass Spectrometry: An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers.Cells, Cultured: Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.Body Weight: The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.Genome, Bacterial: The genetic complement of a BACTERIA as represented in its DNA.Cell Line: Established cell cultures that have the potential to propagate indefinitely.Research: Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)Seasons: Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Analysis of Variance: A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.Biocompatible Materials: Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.Gene Expression Profiling: The determination of the pattern of genes expressed at the level of GENETIC TRANSCRIPTION, under specific circumstances or in a specific cell.
  • At maturity, there are roughly 30-37 trillion cells in the body, an estimate arrived at by totalling the cell numbers of all the organs of the body and cell types. (wikipedia.org)
  • For comparison, previous research had shown that a 3D-printed tissue structure without a pre-existing blood vessel system needed to be smaller than 200 microns (0.007 in) in order to survive in the human body. (medicalnewstoday.com)
  • Other methods, such as dual-energy X-ray absorptiometry (DXA) and bioelectrical impedance analysis, represent interesting options of estimating "internal" tissue distribution in the human body. (nature.com)
  • Of the 70 kg weight of an average human body, nearly 25 kg is non-human cells or non-cellular material such as bone and connective tissue. (wikipedia.org)
  • The body consists of many different types of tissue, defined as cells that act with a specialised function. (wikipedia.org)
  • The body consists of four main types of tissues - lining cells (epithelia), connective tissue, nervous tissue and muscle tissue. (wikipedia.org)
  • Understanding the diversity of human tissues is fundamental to disease and requires linking genetic information, which is identical in most of an individual's cells, with epigenetic mechanisms that could have tissue-specific roles. (nih.gov)
  • Surveys of DNA methylation in human tissues have established a complex landscape including both tissue-specific and invariant methylation patterns. (nih.gov)
  • By combining these diverse data types with each individuals' phased genome, we identified widespread tissue-specific differential CG methylation (mCG), partially methylated domains, allele-specific methylation and transcription, and the unexpected presence of non-CG methylation (mCH) in almost all human tissues. (nih.gov)
  • Use mathematics to discover the mysteries of radiation and how it affects humans. (nasa.gov)
  • As a child, my innate curiosity was fed by reading books that explained the mysteries of the human body such as why we sneeze, or why our hairs stand when we are cold. (bartleby.com)
  • When people eat those energy units, the extraordinary human digestive and metabolic systems convert the work of plants into energy that is useful to people and give back water and carbon dioxide to the environment that can be used by plants. (icr.org)
  • They didn't really find this, but their analysis revealed that each place in the body seems to have a distinct set of metabolic abilities, be it digestion of sugars in the mouth or of complex carbohydrates in the large intestine. (latimes.com)
  • metabolic processes in the human body, a large number of free radicals are continuously being generated. (bartleby.com)
  • It's the organ commonly found in animals where multiple body systems come together into one opening for both defecation and reproduction. (howstuffworks.com)
  • Here we report high coverage methylomes that catalogue cytosine methylation in all contexts for the major human organ systems, integrated with matched transcriptomes and genomic sequence. (nih.gov)
  • Machines like the dual-energy X-ray absorptiometry (DXA) can accurately measure the percentage and weight of (fat, muscle, bone) in a body. (wikipedia.org)
  • Your bones are important for producing bone marrow, something which provides you with the necessary ingredients for both red and white blood cell production, as well as the formation of platelets in your body. (worldatlas.com)
  • The smallest bone in your body is found in your middle ear and is called the stape. (worldatlas.com)
  • The largest bone in your body is your femur, which is found in your thigh. (worldatlas.com)
  • According to Movementortho.com , your collar bone, your leg and arm bones, as well as your hip and wrist bones are some of the easiest bones to break in your body. (worldatlas.com)
  • What Is the Largest Bone in the Body? (worldatlas.com)
  • They study how to fix the problems, called diseases .The biggest bone in your body is your thigh bone. (wikipedia.org)
  • For the next hour, I tried to convince them that their bodies are a lot like that lake, and that appreciating this fact could help them find new ways to treat diseases ranging from obesity to heart disease to infections of antibiotic-resistant bacteria. (discovermagazine.com)
  • Some spots on the body, such as the mouth, are rain-forest-like in their diversity, inhabited by a rich community of bacteria that is fairly similar from one person to the next. (latimes.com)
  • Scientists have been aware that bacteria live on the human body ever since a 17th century Dutch naturalist examined the plaque from his teeth under a microscope. (latimes.com)
  • Since the exact sequence of that gene is unique to each bacterial species, the analysis told them what types of bacteria were present at each body site, as well as how abundant each was. (latimes.com)
  • What Are the Different Types of Bacteria Found in the Human Mouth? (livestrong.com)
  • Although fibre is indigestible to humans, it is necessary to maintain a healthy digestive system Fibre is found in fruit, vegetables, whole grains and cereals. (slideshare.net)
  • Update 8/2011: as I've learned more about human genetics and evolution, I've come to appreciate that many Europeans actually descend from early adopters of agriculture more than they descend from the hunter-gatherers that previously occupied Europe. (blogspot.com)
  • It studies how genetics makes the human body. (wikipedia.org)
  • In humans, Se-dependent enzyme functions are best expressed through optimal Se intake, although there is gap in our knowledge concerning the precise mechanisms underlying the interrelation. (springer.com)
  • A new analysis of the body size of early humans and our relatives suggests that the first members of the genus Homo -which includes Homo sapiens -were not larger than earlier hominin species. (amnh.org)
  • The new results challenge the evolutionary model that argues that body size increased from Australopithecus individuals to early Homo species. (amnh.org)
  • A full-grown adult body has a total of about 206 bones , all of which are needed to help you move, and protect your organs. (worldatlas.com)
  • Considering the average adult body contains 4.5 to 5.5 liters of blood, that means all of your blood is filtered more than 30 times every single day. (rd.com)
  • Follow the timeline to see how evolution gradually assembled and tinkered with all the bits and pieces that make up modern human beings. (npr.org)
  • For some people, sleep is what they enjoy most, but why do human beings need sleep? (bartleby.com)
  • Corn was domesticated 9,000 years ago, but according to the carbon ratios of human teeth, it didn't become a major source of calories until about 1,200 years ago! (blogspot.com)
  • Roughly 96 percent of the mass of the human body is made up of just four elements: oxygen, carbon, hydrogen and nitrogen, with a lot of that in the form of water. (livescience.com)
  • The human body is composed of elements including hydrogen, oxygen, carbon, calcium and phosphorus. (wikipedia.org)
  • This data could be harvested to understand the minute by minute changes in body chemistry that occur in response to medication, stress, infection, and so on. (slashdot.org)
  • Students examine the effects of gravity on the evolution of form and function in the human circulatory system and connect space biology and related medical pathologies on Earth. (nasa.gov)
  • Oxygen (65%) and hydrogen (10%) are predominantly found in water , which makes up about 60 percent of the body by weight. (livescience.com)
  • It may be that the hundreds of thousands of years that humans lived and socialized as a nude species has left some indelible effects on the human psyche. (scoop.it)
  • Richmond worked with lead author Mark Grabowski, an assistant research professor at George Washington University and soon-to-be James Arthur Postdoctoral Fellow in the Museum's Anthropology Division, and other colleagues to build the most comprehensive set of body mass estimates, species averages, and species averages by sex for fossil humans and their close relatives to date. (amnh.org)
  • Dion, Berscheid, & Walster, 1972).The significance of the human body is made by interconnecting meaning and practice described by societal musings. (bartleby.com)
  • Over half of your body is made of water (about 55 percent for adult women and 65 percent for men) and your body is set on keeping it that way. (rd.com)
  • Some religions think the body is made from chakras that connect us to the universe . (wikipedia.org)
  • In a small pilot study of 12 subjects, results indicated that grounding the human body during sleep reduces night-time levels of cortisol and resynchronizes cortisol hormone secretion more in alignment with the natural 24-hour circadian rhythm profile. (sfgate.com)
  • By using this metabolite timetable as a reference, we accurately determined internal body time within 3 h from just two anti-phase blood samples. (pnas.org)
  • Three-dimensional (3D) whole-body laser scanning provides another promising technique for evaluating "external" body shape by granting the opportunity to assess dozens of anthropological body measures at once with high accuracy and within only a few seconds of time 9 . (nature.com)
  • They start off living on snails, but eventually vacate, spend some time in the water, and often move into a much bigger home - a human. (youtube.com)
  • If your body stops responding for a long time and there is no brain activity please die. (slashdot.org)
  • By that time, my body was so exhausted that I fell into a deep sleep once I closed my eyes. (bartleby.com)
  • These books were some of the most influential books on the human body at the time. (worldatlas.com)
  • Altogether, humans spend about 10 percent of their time awake with their eyes closed. (rd.com)
  • Carbohydrates are present in the human body largely as fuels, either as simple sugars circulating through the bloodstream or as glycogen , a storage compound found in the liver and the muscles. (britannica.com)
  • Some 60 chemical elements are found in the body, but what all of them are doing there is still unknown. (livescience.com)
  • Calcium (1.5%) is the most common mineral in the human body - nearly all of it found in bones and teeth. (livescience.com)
  • Chlorine (0.15%) is usually found in the body as a negative ion, called chloride. (livescience.com)
  • One of our major results is that we found no evidence that the earliest members of our genus differed in body mass from earlier australopiths," said Grabowski. (amnh.org)
  • In fact, one study found that the human body can trigger that thirsty sensation after losing just one percent of its total amount of water. (rd.com)
  • The present invention is particularly but not exclusively useful as a method for reducing radiation exposure from naturally occurring radioactive potassium isotopes ( 40 K) inside the body. (freepatentsonline.com)
  • Selenium (Se) has a multilevel, complex and dynamic effect on the human body as a major component of selenocysteine, incorporated into selenoproteins, which include the selenocysteine-containing enzymes iodothyronine deiodinases. (springer.com)
  • To get them engaged, I started asking question about breathing: What do humans breathe? (pbs.org)
  • The body louse's pared-down list of detoxifying enzymes makes it an attractive organism for the study of resistance to insecticides or other types of chemical defense, Pittendrigh said. (thefreelibrary.com)
  • Researchers used a novel 3D-printing technique to build a functional human ear. (medicalnewstoday.com)
  • researchers have since shown that the metabolism of certain drugs relates more to IBW than total body weight. (wikipedia.org)
  • The body louse also has "the smallest number of detoxification enzymes observed in any insect," the researchers wrote in a report appearing in the Proceedings of the National Academy of Sciences. (thefreelibrary.com)
  • Health risk obviously associates in a more complex way with human body dimensions and depends, for example, on the relation between fat and muscles and their distributions along the body 4 . (nature.com)