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the nervous system is divided into central and peripheral. The central nervous system consists of all the brain and spinal cord nerves, as well as most of the body neurons. peripheral nervous system consists of nerves that lead from the brain and spinal cord to other parts of the body. peripheral system is divided into somatic and autonomic system. somatic system allows us to change the awareness of pain, temperature and pressure. autonomic nerves regulate breathing, heartbeat, digestion. autonomic system is divided into sympathetic and parasympathetic branch. the sympathetic system dominates during vigorous activity, and the parasympathetic system in the rest time. they usually have opposite deystviya.organizatsiya nervous system is complex and has not been studied until the end.
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