The vertebral bodies encase the spinal cord to provide protection. When stacked on top of each other, they form the spinal column which provides stability for the head and upper body. The spinal cord and the nerve exits are located within the spinal canal.
The intervertebral discs are located between the vertebral bodies. These discs cushion shock forces, acting as "shock absorbers". The discs in conjunction with the vertebral joints facilitate motion by turning, stretching and bending of the neck.
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