Labels:brass | cd rom OCR: The Spinal cord Tog ether with the brain, the spinal cord forms the central nervous system. The spinal eord is encased and protected by the backbone substance called cerebro spinal fluid protects the spinal cord from rubbing against the backb ione Messages from nerve cells called neurons travel up the spinal cord to the brain Impulses from the brain travel down the spinal eord to the muscles Message fron mpulse dowr corc
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