Physiology is the study of how organisms, organs, cells, and biomolecules carry out the chemical or physical functions that exist in living systems. [Source: Wikipedia]
Questions should be on function, while the anatomy tag should be used for structural aspect questions.
Questions asking about mechanisms or the physiological processes behind a pathological condition should include the pathophysiology tag.
Questions asking about the electrical activities of the heart should include the cardiac-electrophysiology tag.
