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Spine injuries

Your backbone is made up of 29 hollow bones, or vertebrae, which protect the spinal cord. Your brain communicates with your body via electrical signals that travel along the spinal cord - similar to a power line carrying electricity from a power station to your home. Damage to the power line would sever the connection, and cause a power cut. The same happens if you break your backbone.

X-ray of the spinal cord.
X-ray of the spinal cord.
Photodisc

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