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• History of physiology
• Branches of physiology
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Physiology is the branch of biology that deals with the functions of living organisms and the parts of which they are made. This scientific discipline covers a wide variety of functions, ranging from the cellular and below to the interaction of organ systems that keep the most complex biological machines running.

Some of the questions that physiologists investigate include how plants grow, how bacteria divide, how food is processed in various organisms, and how thought processes occur in the brain. Investigations in physiology often lead to a better understanding of the origins of diseases.

History of physiology

Human (or mammalian) physiology is the...