A team of researchers is working on a new procedure that could result in the regrowth of neurons in the spinal cord. With which part of the nervous system is the team most concerned?

The _____ nervous system is composed of the brain and the spinal cord.

The spinal cord's outer section is made up of _____ and the inner section is made up of _____.

A team of researchers is working on a new procedure that could result in the regrowth of neurons in the spinal cord. With which part of the nervous system is the team most concerned?