Two Major Functions Of The Nervous System

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The primary function for the nervous system is to communicate within the body to maintain homeostasis. Two major functions of the nervous system is the central and peripheral nervous system. The CNS consist of the brain and the spinal cord, and the PNS consist of the nervous tissue outside of the CNS. The PNS divides in different systems such as somatic, autonomic, and enteric nervous system. Somatic nervous system transmit signal from receptors to the cells located in the skin and eye, and the autonomic nervous system relays messages between the CNS and the heart, lung, and other glands and organs. Autonomic nervous system consist of two branches sympathetic and parasympathetic. Sympathetic system speeds up the muscle due to a reaction to
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