Anaphase is the answer. In metaphase the chromatids line up next to each other and the spindle attaches to the centroid. In anaphase, the chromatids are pulled apart into opposing sides of the cell by the spindle fiber
One Y and one X chromosome.
Because nerves are the transmitters of messages from the brain to the structure, and all major nerves are found in the spinal cord leading out to the rest of the body. If the nervous tissue is damaged then the brain can no longer send messages to those parts of the body, and they an no longer react causint paralysis.
Hope this helps. :)
