Which explains how the nervous system is typically involved in keeping the body in homeostasis? it processes the environment and sends out signals. it controls movement and provides structure. it physically breaks down and absorbs food. it puts oxygen in the blood, which is essential for life.

It processes the environment and sends out signals.

Explanation:

Sense receptors can sense any changes in internal or external conditions which disturb the homeostasis. The sensory information is sent to the central nervous system which in turn process the information and commands the respective body parts to perform actions to restore the homeostasis.  

Example: The information about increased demand of oxygen during exercise is sent to the brain which in turn commands parts of breathing system and cardiovascular system to increase the breathing rate and heartbeat rate respectively to compensate for increased oxygen supply.  

A

Explanation:

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