The central nervous system is composed of the
A) spinal cord and nerve roots.
B) brainstem and spinal cord.
C) spinal nerves and medulla.
D) brain and spinal cord.
E) cranium and spine.

Question

Quizplus · Accepted Answer

The central nervous system is composed of the brain and the spinal cord. While nerves and nerve roots are important components of the nervous system, they are not part of the central nervous system. The same can be said for the brainstem, spinal nerves, medulla, cranium, and spine.

The Central Nervous System Is Composed of the