The answer is :- Spinal column
The spinal cord lies inside the spinal column, which is made up of 33 bones called vertebrae. Five vertebrae are fused together to form the sacrum, and four small vertebrae are fused together to form the coccyx.
What is spinal cord ?
- The cord of nervous tissue that extends from the brain lengthwise along the back in the spinal canal, gives off the pairs of spinal nerves, carries impulses to and from the brain, and serves as a center for initiating and coordinating many reflex acts — see brain illustration.
- There are four sections of the spinal cord that impact the level of spinal cord injury: cervical, thoracic, lumbar and sacral.
- Each section of the spine protects different groups of nerves that control the body.
- The types and severity of spinal cord injuries can depend on the section of the spine that is injured.
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