The sciences dealing with processes observable in nature.
While "Humanities" is a broad academic discipline that includes fields such as literature, philosophy, history, and language studies, it does not have a specific medical definition related to the practice of medicine or healthcare.
All of the divisions of the natural sciences dealing with the various aspects of the phenomena of life and vital processes. The concept includes anatomy and physiology, biochemistry and biophysics, and the biology of animals, plants, and microorganisms. It should be differentiated from BIOLOGY, one of its subdivisions, concerned specifically with the origin and life processes of living organisms.
The study of natural phenomena by observation, measurement, and experimentation.