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Biology, 13.01.2021 20:10 cedarclark3141
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Multiple sclerosis (MS) is a disease that affects the nerve cells of the brain and the spinal cord. Some of the symptoms of MS are chronic pain, pins-and-needles sensations, muscle weakness, and visual disturbances. Study the image, and then explain the cause for these symptoms.
an illustration showing a nerve with healthy nerve cells, and a nerve with damaged nerve cells affected by multiple sclerosis
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