The nervous system. The nervous system is divided into 2 parts: the central nervous system (central nervous system, or CNS) consists of the brain and spinal cord, and nervous system ends or outer nervous system (peripheral nervous system or PNS) consists of the brain, nerve (cranial nerve), and spinal cord nerves (spinal nerve) and automatic nervous system (autonomic nervous system or an ANS) the nervous system or the outer end of the nervous system. The nervous system consists of an outer all receptor The communication between nerve receptor to the central nervous system nerves and the link between the central nervous system with operating units.
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