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- The cranial cavity is a space in the head formed by skull bones.
- It contains and protects the brain.
- The vertebral canal is formed by the vertebral column.
- It contains the spinal cord.
- The cranial cavity and vertebral canal are continuous with each other.
- The brain and spinal cord are protected by meninges.
- They are also surrounded by cerebrospinal fluid.
- This fluid acts as a shock absorber.
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