 you know it nervous at this point in our system is the part of the body to take the outside world and turned it into biochemistry so through the center of the eyes knows that the mouth at the skin in the years those are like uh... periscope since the outside world signals from uh... the outside world hit the hit these things that are the senses which extension of the nervous system they go into the nervous system they get turned into biochemistry but here's the thing you actually have to nervous systems