Which description best fits the central nervous system (CNS)?
A) consists of the brain and spinal cord, located in the midline of the body
B) consists of the brain and spinal cord, connecting the muscles and the brain
C) consists of the spinal cord, located in the midline of the body
D) consists of the brain and spinal cord, located on the edges of the body
E) transmits sensory impulses to the PNS and motor impulses to the brain

Question

Quizplus · Accepted Answer

The central nervous system (CNS) consists of the brain and spinal cord, which are located in the midline of the body. Option B is incorrect as it suggests that the CNS connects the muscles and the brain, whereas it is the peripheral nervous system (PNS) that connects the muscles and the brain. Option C is incorrect as it suggests that the CNS consists of only the spinal cord, whereas it also includes the brain. Option D is incorrect as it suggests that the CNS is located on the edges of the body, whereas it is located in the midline. Option E is incorrect as it describes the general function of the nervous system, rather than describing the CNS specifically.

Which Description Best Fits the Central Nervous System (CNS)