The spinal cord and brain are joined to the rest of the body by the peripheral nervous system.
The portion of your nervous system that is located apart from your brain and spinal cord is known as your peripheral nervous system (PNS). It is essential for both carrying out commands from the brain to various body parts and for relaying information from various sections of the body back to the brain.
The nerves and ganglia make up the peripheral nervous system's organs. Similar to how muscles are made up of bundles of muscle fibers, so are nerves. From the CNS, spinal and cranial nerves branch out to connect with external organs including muscles and glands.
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