The central nervous system (CNS)consists of
A)spinal and cranial nerves.
B)the brain and spinal cord.
C)the brain and cranial nerves.
D)nerves in the upper and lower limbs.

Question

Quizplus · Accepted Answer

The central nervous system (CNS) consists of the brain and spinal cord. Choice A is incorrect because spinal and cranial nerves are part of the peripheral nervous system, not the CNS. Choice C is incorrect because although the cranial nerves are part of the CNS, they only make up a small portion of it. Choice D is incorrect because nerves in the upper and lower limbs are also part of the peripheral nervous system, not the CNS.

The Central Nervous System (CNS)consists of