The following outline is provided as an overview of and topical guide to physiology:
Physiology – scientific study of the normal function in living systems.[1] A branch of biology, its focus is in how organisms, organ systems, organs, cells, and biomolecules carry out the chemical or physical functions that exist in a living system.[2]
Physiology can be described as all of the following:
By approach
By organism
By process
By subsystem