An Overview of the Central Nervous System
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Human beings come into this world naked yet equipped with a nervous system that, with experience, is ready to function in almost any environment. One word summarizes the function of the nervous system: response. The central nervous system (brain and spinal cord) monitors and controls the entire body by its peripheral divisions, which are distributed to all the muscles, organs, and tissues. The brain has an advantageous site in the head and above the neck, which can move in about a 140-degree arc. Close to the brain are all of the specialized sense organs, which permit us to see, smell, taste, and hear our world.
KeywordsSpinal Cord Brain Stem Parietal Lobe Cerebral Hemisphere Fourth Ventricle
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