What might happen to the human body if one part of the nervous system fails to carry out its function properly?

If one part of the nervous system fails the body will feel some symptoms. The symptoms that may be caused by a nervous system problem include: Numbness or tingling. Weakness or a reduced ability to move any part of the body (not caused by pain). Tremors, tics, or other unusual movements, such as a walking (gait) change or mouth smacking.

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