The Nervous System Essay

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Which part of your nervous system would have been heavily involved at each of these six points? Joe Crane Psych100 9-14-08 The nervous system is the body's electrochemical communication circuitry, made up of billions of neurons. It is the most complex, yet, organized system on the planet. It is made up of billions of interconnected cells that work together simultaneously to carry out functions. It is made up of the brain and spinal cord which make up the central nervous system, and the somatic nervous system and autonomic nervous system which make up the peripheral nervous system. The central nervous system makes up ninety-nine percent of the nerve cells located in the body. The peripheral nervous system connects the brain and spinal cord to other parts of the body. This means the peripheral nervous system does what the central nervous system wants him to do; therefore, the central nervous system is always working. The nervous system consists of voluntary and involuntary processes that are carried out by a certain area of the nervous system. The nervous system reacts instantly to certain situations automatically. Consider this, Suppose you saw a person coming toward you, realized it was someone famous, got excited, waved and shouted, suddenly realized it was not a famous person, and became suddenly calm again. At each moment in this situation, different parts of your nervous system are triggered to create emotions and reactions. In this given situation, seeing the person means that you are using your somatic nervous system. This part of the nervous system is voluntary and consists of sensory nerves. Now you realize that the person you see is famous. Your are still using your somatic nervous system and at this point nothing has really changed. Everything that has occurred to this point has been voluntary. Now you get excited

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