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To understand its functionality, the nervous system as a whole can be subdivided into two systems: the central nervous system (CNS) and the peripheral nervous system (PNS) .

The SNC is connected with the sensory receptors, muscles and glands of the peripheral areas of the body through the SNP.

The latter consists of the cranial nerves that originate in the brain and spinal or spinal nerves , which originate in the spinal cord . A part of these nerves leads nerve impulses to the CNS, while other parts carry impulses emerging CNS.


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