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Friday 11 July 2003


Definition : Physiology is the scientific study of the normal functions in living systems.

A sub-discipline of biology, its focus is in how organisms , organ system s, organs , cells , and biomolecules carry out the chemical functions or physical functions that exist in a living system.

Given the size of the field, it is divided into, among others, animal physiology (including human physiology ), plant physiology , cellular physiology , microbial physiology (see microbial metabolism), bacterial physiology , and viral physiology.

In medicine, a physiologic state is one occurring from normal body function, rather than pathologically, which is centered on the abnormalities that occur in animal diseases, including humans.

See also

- medicine
- human physiology
- cellular physiology