Disorders-Injuries-Problems of the System

1. Concussion-

temporary disturbance of brain function caused by a blow to the head.

2. Stroke-

when blood supply to a part of the brain is cut off, which results in the death of nerve cells.

3. Poliomyelitis(polio)-

a virus which destroys motor neurons in the spinal cord and brain stem. In some cases it can result in paralysis.

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