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| Nervous Control in Human Beings - Nervous System |
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| The nervous system carries out the following functions: |
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 It perceives the changes around us through our senses. |
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It controls and coordinates all the activities of the muscles in response to the changes outside. |
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It also maintains the internal environment of the body by coordinating the functions of the various internal organs and the involuntary muscles. |
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It stores the previous experiences as memory that helps us to think and analyse our reactions. |
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It conducts messages between different parts of the body. |
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