The autonomic nervous system (ANS) has two important units’ parasympathetic and sympathetic divisions, which help in regulating several body structures. They are present in a different location in the body, such as preganglionic neuron cells in CNS and autonomic ganglia in the PNS. The parasympathetic division helps in regulating the body structure during resting time whereas; sympathetic division helps in regulating the body structure during exercise time.

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Chapter 16, Problem 15RAC

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The autonomic nervous system (ANS) has two important units’ parasympathetic and sympathetic divisions, which help in regulating several body structures. They are present in a different location in the body, such as preganglionic neuron cells in CNS and autonomic ganglia in the PNS. The parasympathetic division helps in regulating the body structure during resting time whereas; sympathetic division helps in regulating the body structure during exercise time.

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