Unit discussions are were you post the answer to the question your teacher has given you and then you reply to 2 different classmates
<span>The peripheral nervous system
</span><span>-links the body to the brain and spinal cord.
</span>-is made up of sensory and motor neurons.<span>
</span>
Answer: The integumentary system helps the immune system by The skin acts as a barrier to keep out pathogens (B)
Explanation: