Nerves: Two types of nerves (which are comprised of Nerve cells, Nerve fibres and an outer covering), Which either originate from and terminate in spinal cord or brain. Many nerves extend from brain/spinal cord-some of which terminate in muscles while others in skin and other organs. Motor nerve is one of the nerves that carry impulses outward from the central nervous system to bring about activity in a muscle or gland. Sensory nerve carries information inward, from an outlying part of the body toward the central nervous system.
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