the nervous system is used for controlling the body
nervous_system_in is nervous_system. nervous_system is body_part. sympathetic_nervous_system is nervous_system. human_nervous_system is nervous_system. central_nervous_system is body_part. nervous_system is system. central_nervous_system is organ_system. central_nervous_system is system. nerves is self_control. human_nervous_system is body_part.