The human body is divided into many different parts called organs. All of the part are controlled by an organ called , which is located in the head. weighs about 3 pounds, and has a whitish-pink appearance. is separated into 3 part, the cerebrum, the cerebellum, and stem. Each part consists chiefly of nerve and supporting cells. The nerves and make up a system just like telephone poles carrying wires, making up the nervous system. The human brain has from 10 billion and 100 billion neurone's. is protected by a series of bones calle ....