The Nervous System And Peripheral Nervous Systems Essay

1204 Words May 31st, 2016 null Page
The nervous system located in our bodies is the major controlling, regulatory, and communicating system in the body. It is the command center that covers all aspects of mental activity including thought, learning, as well as memory. The nervous system together with the endocrine system bears the responsibility of regulating and maintaining homeostasis in the body. The nervous system mainly consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts.
The nervous system can be divided into two major regions which are namely, the central nervous system and peripheral nervous systems. The central nervous system (CNS) comprises of the brain and spinal cord and the peripheral nervous system (PNS) is everything else (as you can see in the figure). The brain is contained within the cranial cavity of the skull and is protected by the cranium, and the spinal cord is contained within the vertebral cavity of the vertebral column. The peripheral nervous system is so named because it is on the periphery—meaning it’s beyond the brain and spinal cord. Depending on different aspects of the nervous system, the dividing line between central and peripheral is not universal. ) is everything that runs at the periphery, or outside of the CNS, and includes all of the nerve tissue branching off of the brain (cranial nerves) and the…

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