The amazing nervous system controls virtually every part of the human body. Made up of the brain, the spinal cord, and the nerves, the nervous system tells the heart to beat, the lungs to breathe, and the muscles to move. The brain -- the central command center -- processes everything from understanding a teacher's instructions to enjoying a piece of chocolate cake. Discover more about how this remarkable system works and read amazing facts about the brain and the nervous system. Book jacket.