Question

3 tries left
the ______ includes the brain and the spinal cord, which together contain more than 90% of the bodys neurons.
autonomic nervous system
peripheral nervous system
central nervous system
limbic system

Explanation:

The central nervous system consists of the brain and spinal cord and contains over 90% of the body's neurons. The autonomic nervous system controls involuntary functions, the peripheral nervous system is outside the brain and spinal cord, and the limbic system is involved in emotions and memory.

Answer:

central nervous system