question: Which system are the brain and spinal cord apart of?
distractor3: limbic system
distractor1: large nervous system
distractor2: cerebral cortex
correct_answer: central nervous system
support: The central nervous system includes the brain and spinal cord. The brain serves as the control center of the nervous system and the body as a whole. It consists of three major parts: the cerebrum, cerebellum, and brain stem. The spinal cord carries nerve impulses back and forth between the body and brain.