Question

which of the following is not part of the central nervous system?
○ brain stem
○ sciatic nerve
○ cerebrum
○ cerebellum

Explanation:

The central nervous system (CNS) consists of the brain and spinal cord. The cerebrum, cerebellum, and brain - stem are parts of the brain. The sciatic nerve is a peripheral nerve, not part of the CNS.

Answer:

Sciatic Nerve