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The somatic and autonomic nervous systems. The somatic nervous system has nerves that connect voluntary skeletal muscles and sensory receptors. It is made of afferent nerves that carry info to the CNS and efferent fibers that carry neural impulses away from the CNS. The autonomic system, mediates physiological arousal. This system has two components: the sympathetic nervous system that mobilizes the body to respond to emergencies and the parasympatheic nervous system that helps conserve the body's energy and helps return the body back to normal activity after an emergency.

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The two main components of the nervous system are?

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