how does a human use his or hers brain to interact with the body

Question: how does a human use his or hers brain to interact with the body
- Keywords:
  brain
Asked by Twilight Fang to Alex, Amanda, Marco, Olivia, Sha on 9 Mar 2017.
- Alex Evans answered on 9 Mar 2017:
  
  The body has a “nervous system” running all the way through it from the brain, right down to the tips of your toes. This is what relays messages to and from the brain, telling muscles when to contract and recieving information from the eyes and ears about what we can see and hear!

Question: how does a human use his or hers brain to interact with the body