Essay On The Nervous System

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The nervous system is composed of all nerve tissue in the body. This organ system forms a communication and coordination network between all parts of the body. It plays a major role in everyday activities such as breathing, walking even blinking. It is made up of nerve tissues to receive and transmit stimuli to nervous centers and initiate response. Neurons are nerve cells that transmit signals from one location of the body to another. With damage to the nervous system the body would not be able to function properly. The body has to be well taken care of in order to insure proper regulation. The two anatomical divisions that work hand in hand to help regulate the nervous system are the central and peripheral nervous system. According to the…show more content…
Although it is protected by the scalp, skull and the three layers of meninges there is still a possibility that it can still be injured. Head injury occurs when an external mechanical force causes brain dysfunction. Penetrating and closed head injuries are the two major types of brain injuries. Penetrating head injuries occur when foreign objects enters the brain and cause damage to specific brain parts. Symptoms vary depending on which part of the brain was damaged. Another vital part of the central nervous system is the spinal cord. A normal spine has an “S” shape if it is looking at from the side. This “S” shape allows for an even distribution of weight and allows the SC to be able to withstand all kinds of stress. The spinal cord is a jelly like bundle of nerve fibers that runs inside the spine. It conveys sensory information from the peripheral nervous system to the brain. It also integrates simple responses to certain stimuli. Without a spinal cord people would not be able to stand up straight. The spinal cord gives the body structure and support. Without a spinal cord no one or anything would be able to move any part of the body. Organs would not be able to function without a spinal cord. It is imperative that if people want to live an active life they must keep the spine healthy. The length of the spinal cord in men is about forty-five centimeters and forty-three centimeters long in
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