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Physiology: Animal Function and Reproduction

Physiology Basics

What is homeostasis, and when was the term first used?

American physiologist Walter Bradford Cannon (1871–1945), who elaborated on Claude Bernard’s concept of the milieu intérieur, used the term “homeostasis” to describe the body’s ability to maintain a relative constancy in its internal environment. It depends on the coordination of thousands of chemical reactions within the cells all at the same time. For example, the maintenance of a human’s constant body temperature is a form of homeostasis.



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