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25 points please help



The spinal cord extends from the ___________________ of the brain.




7.

The spinal cord is covered by membranes known as ________________.


8.

The nerve root which leaves the cord toward the rear of the body is the_________ root.


9.

The nerve root which leaves the cord toward the front of the body is the________root.


10.


The _____________ protect the spinal cord.