The two main divisions of the central nervous system are the
A)forebrain and brainstem.
B)white matter and gray matter.
C)brain and spinal cord.
D)cerebral hemispheres and cerebellum.

Question

Quizplus · Accepted Answer

The central nervous system is composed of the brain and the spinal cord. These are the two main anatomical components of the system. While the forebrain and brainstem are important divisions within the brain, and the cerebral hemispheres and cerebellum are specific parts of the brain, neither of these options accurately captures the two main divisions of the entire central nervous system. Similarly, while white matter and gray matter are types of tissue found in the brain and spinal cord, they do not represent two separate divisions of the system.

The Two Main Divisions of the Central Nervous System Are