Question

1. what are the structures of the cns?

brain
spinal cord
both brain and spinal cord
nerves outside the brain and spinal cord

1. what makes up the pns system?

nerves outside of the brain and spinal cord
brain
spinal cord
none of the above

Explanation:

Question 3

The Central Nervous System (CNS) consists of the brain and the spinal cord. So the correct option is the one that includes both.

The Peripheral Nervous System (PNS) is made up of nerves that are outside the brain and spinal cord (which are part of the CNS). So the correct option is the one about nerves outside the brain and spinal cord.

Answer:

C. Both brain and spinal cord

Question 4