Physiology

Physiology is the study of how living things function.All living things, by most definitions, are composed of cells, and so functions that are present in every cell, like metabolism, included in this branch of biology.

Etiology

Latin or Greek: physiologia; Greek: physis- nature, + logos- study

hominal physiology comparative physiology

Some fields within physiology focus on certain kinds of living things, such as microbial physiology.

Pathophysiology

Also known as physiopathology