Question

How does the brain work?

Answer 1

If you go to pick up a cup you don't think about it you just do it. That is your brain comunicating with your muscles and body.  This is just one thing as to why the brain is so intriging. 

Answer 2

you brain contains billions of nerve cells arranged in patterns that coordinate thought, emotion, behavior, movement and sensation.A complicated highway system of nerves connects your brain to the rest of your body, so communication can occur in split seconds.
hope I helped you^v^