How would a injury in the central nervous system affect the peripheral nervous system?

The central nervous system that affect the peripheral nervous system which comprises of two major parts that are a central nervous system (CNS). This  consist of the brain and spinal cord and peripheral nervous system (PNS) which consist of nerves. The injury in the CNS directly affects the PNS as they both are connected to each other and the main function of PNS is to transfer message to the brain if there is an injury or infection enters the body.

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