if we are the brain, why cant we control our body fully?

Question

Im wondering that if we are the brain why we cant control things like pain and our immune system.

In: Biology

Answer 1

The brain doesn’t control the nerves that sense pain, they send impulses to the brain, not away from it. It would be like asking why your radio can’t control the broadcast, it’s a one way system. The nerves that control movement are different nerves (hence you can loose feeling in your hand if you sit on it too long, but can still move it)