Somatic and Autonomic Divisions - MCAT Biological and Biochemical Foundations of Living Systems

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Question

Under which division of the nervous system does the "fight or flight" impulse originate?

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Answer

The nervous system is divided into the central nervous system (brain and spinal cord) and peripheral nervous system (all other nerves). The peripheral nervous system is then divided into the sensory and motor divisions. Then, the motor division is further divided into the somatic and autonomic divisions. The autonomic division is then divided into the parasympathetic ("rest and digest") and sympathetic ("fight or flight") divisions.

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