The spinal cord is the major connector between the brain and the body. It is made up of millions of nerve fibres that transmit signals from the brain to the body, as well as nerve cells that create signals, and other cells that look after the rest of the cord’s cells. It is about 46cm long but varies between people and is protected by a series of bones in the back called vertebrae. The spinal cord is part of the central nervous system (CNS) and interacts with the peripheral nervous system (PNS)

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