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| Description: The central nervous system includes the brain and the spinal cord. The peripheral nervous system consists of 43 pairs of nerves that transmit information to and from the central nervous system. Twelve pairs of cranial nerves in the head enter the brain directly; 31 pairs of spinal nerves enter the spinal cord at the spaces between the vertebrae. Picture Stats: Views: 232 Filesize: 158.03kB Height: 509 Width: 538 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39021 |