Sports Nutritional Physiological Phenomena: Nutritional physiology related to EXERCISE or ATHLETIC PERFORMANCE.Elder Nutritional Physiological Phenomena: Nutritional physiology of adults aged 65 years of age and older.Child Nutritional Physiological Phenomena: Nutritional physiology of children aged 2-12 years.Dental Physiological Phenomena: Physiological processes and properties of the DENTITION.Digestive System and Oral Physiological Phenomena: Properties and processes of the DIGESTIVE SYSTEM and DENTITION as a whole or of any of its parts.Reproductive and Urinary Physiological Phenomena: Physiology of the human and animal body, male or female, in the processes and characteristics of REPRODUCTION and the URINARY TRACT.Musculoskeletal and Neural Physiological Phenomena: Properties, and processes of the MUSCULOSKELETAL SYSTEM and the NERVOUS SYSTEM or their parts.Circulatory and Respiratory Physiological Phenomena: Functional processes and properties characteristic of the BLOOD; CARDIOVASCULAR SYSTEM; and RESPIRATORY SYSTEM.Integumentary System Physiological Phenomena: The properties and relationships and biological processes that characterize the nature and function of the SKIN and its appendages.Reproductive Physiological Phenomena: Physiological processes, factors, properties and characteristics pertaining to REPRODUCTION.Physiological Phenomena: The functions and properties of living organisms, including both the physical and chemical factors and processes, supporting life in single- or multi-cell organisms from their origin through the progression of life.Adolescent Nutritional Physiological Phenomena: Nutritional physiology of children aged 13-18 years.Prenatal Nutritional Physiological Phenomena: Nutrition of FEMALE during PREGNANCY.Urinary Tract Physiological Phenomena: Properties, functions, and processes of the URINARY TRACT as a whole or of any of its parts.Maternal Nutritional Physiological Phenomena: Nutrition of a mother which affects the health of the FETUS and INFANT as well as herself.Infant Nutritional Physiological Phenomena: Nutritional physiology of children from birth to 2 years of age.Nutritional Physiological Phenomena: The processes and properties of living organisms by which they take in and balance the use of nutritive materials for energy, heat production, or building material for the growth, maintenance, or repair of tissues and the nutritive properties of FOOD.Musculoskeletal Physiological Phenomena: Processes and properties of the MUSCULOSKELETAL SYSTEM.Virus Physiological Phenomena: Biological properties, processes, and activities of VIRUSES.Animal Nutritional Physiological Phenomena: Nutritional physiology of animals.Digestive System Physiological Phenomena: Properties and processes of the DIGESTIVE SYSTEM as a whole or of any of its parts.Child Welfare: Organized efforts by communities or organizations to improve the health and well-being of the child.Blood Physiological Phenomena: Physiological processes and properties of the BLOOD.Disabled Children: Children with mental or physical disabilities that interfere with usual activities of daily living and that may require accommodation or intervention.Child Behavior: Any observable response or action of a child from 24 months through 12 years of age. For neonates or children younger than 24 months, INFANT BEHAVIOR is available.Ocular Physiological Phenomena: Processes and properties of the EYE as a whole or of any of its parts.Nervous System Physiological Phenomena: Characteristic properties and processes of the NERVOUS SYSTEM as a whole or with reference to the peripheral or the CENTRAL NERVOUS SYSTEM.Respiratory Physiological Phenomena: Physiological processes and properties of the RESPIRATORY SYSTEM as a whole or of any of its parts.Cell Physiological Phenomena: Cellular processes, properties, and characteristics.Skin Physiological Phenomena: The functions of the skin in the human and animal body. It includes the pigmentation of the skin.Plant Physiological Phenomena: The physiological processes, properties, and states characteristic of plants.Child Health Services: Organized services to provide health care for children.Child Rearing: The training or bringing-up of children by parents or parent-substitutes. It is used also for child rearing practices in different societies, at different economic levels, in different ethnic groups, etc. It differs from PARENTING in that in child rearing the emphasis is on the act of training or bringing up the child and the interaction between the parent and child, while parenting emphasizes the responsibility and qualities of exemplary behavior of the parent.Bacterial Physiological Phenomena: Physiological processes and properties of BACTERIA.Child, Institutionalized: A child who is receiving long-term in-patient services or who resides in an institutional setting.Child Behavior Disorders: Disturbances considered to be pathological based on age and stage appropriateness, e.g., conduct disturbances and anaclitic depression. This concept does not include psychoneuroses, psychoses, or personality disorders with fixed patterns.Child Psychology: The study of normal and abnormal behavior of children.Cardiovascular Physiological Phenomena: Processes and properties of the CARDIOVASCULAR SYSTEM as a whole or of any of its parts.Child of Impaired Parents: Child with one or more parents afflicted by a physical or mental disorder.Dental Care for Children: The giving of attention to the special dental needs of children, including the prevention of tooth diseases and instruction in dental hygiene and dental health. The dental care may include the services provided by dental specialists.Child, Orphaned: Child who has lost both parents through death or desertion.Parents: Persons functioning as natural, adoptive, or substitute parents. The heading includes the concept of parenthood as well as preparation for becoming a parent.Child Nutrition Disorders: Disorders caused by nutritional imbalance, either overnutrition or undernutrition, occurring in children ages 2 to 12 years.Child Language: The language and sounds expressed by a child at a particular maturational stage in development.Child Mortality: Number of deaths of children between one year of age to 12 years of age in a given population.