Which of the Following are Organs of the Central Nervous

Question

Which of the following are organs of the central nervous system?
A)spinal cord and spinal nerves
B)brain,cranial nerves,spinal cord,and spinal nerves
C)brain and cranial nerves
D)brain and spinal cord

Accepted Answer

The central nervous system is made up of the brain and spinal cord only, thus choice D is the correct answer. Choice A is incorrect because while the spinal cord is part of the central nervous system, spinal nerves are part of the peripheral nervous system. Choice B is incorrect because it includes both central and peripheral nervous system components. Choice C is incorrect because it only includes the brain and cranial nerves, leaving out the spinal cord.