Question

which division of the nervous system consists of the brain and spinal cord?
a. central nervous system
b. peripheral nervous system
c. somatic nervous system

Explanation:

The central nervous system (CNS) is composed of the brain and spinal cord. It is the main processing center for the nervous system, receiving, analyzing, and coordinating information. The peripheral nervous system consists of nerves outside the CNS. There is no "exernal nervous system" as a standard term in this context.

Answer:

A. Central nervous system