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biological

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parasympathetic nervous system

parasympathetic nervous system The parasympathetic nervous system is the craniosacral part of the autonomic nervous system, with nerve cell bodies in the brainstem and sacral spinal cord that connect through ganglia near their target organs.

The parasympathetic nervous system is the craniosacral part of the autonomic nervous system, with nerve cell bodies in the brainstem and sacral spinal cord that connect through ganglia near their target organs. It generally helps conserve energy and return the body to balance, often in ways that oppose the sympathetic nervous system.