Respuesta :
Answer:
It tells systems in the body when an adjustment is needed.
Explanation:
The nervous system help the body maintain homeostasis is It causes reflex actions when sudden action is needed.
What is nervous system and its function?
The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory.
Thus, option "A" is correct.
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