Answer:
D. hypothalamus
Step-by-step explanation:
The autonomic nervous system (ANS) is a component of the peripheral nervous system that is in charge of the involuntary functions, this means it regulates the flight-or-fight response, heart and respiratory rate, sexual arousal, urination, etc. The hypothalamus is the integrator of these functions, it receives the information from the nervous system and responds to it.
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