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| Description: The spinal cord and brain are its central portion. The peripheral nervous system includes spinal nerves, cranial nerves, and their branches, which extend through the rest of the body. Peripheral nerves carry signals to and from the central nervous system.The spinal cord and brain are its central portion. The peripheral nervous system includes spinal nerves, cranial nerves, and their branches, which extend through the rest of the body. Peripheral nerves carry signals to and from the central nervous system. Central Nervous System Brain, Spinal Cord H Peripheral Nervous System (cranial and spinal nerves) Autonomic Nerves Somatic Nerves Nerves that carry signals to Nerves that carry signals and from smooth muscle, cardiac to and from skeletal muscle, muscle, and glands tendons, and the skin Sympathetic Parasympathetic Division Division Two sets of nerves that often signal the same effectors; have opposing effects Picture Stats: Views: 91 Filesize: 169.82kB Height: 1282 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47704 |