Question

what is homeostasis

Answer 1

Homeostasis is ability of body to maintain nearly constant internal environment despite any stress (internal or external).

• It has following components - sensory receptors, afferent neuron, control center, efferent neuron, effector.

Example -

• Hot environment is stress for body because it increases body temperature. This activates homeostatic mechanism which reduce body temperature by increasing sweating, causing vasoconstriction of dermal vessel etc.

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