Control freak! / Parker, Steve

Presents an examination of the human body's control system, explaining how hormones, the brain, and the nervous system regulate the body's functions. Includes photographs and diagrams.

Presents an examination of the human body's control system, explaining how the brain and various nerve centers regulate the body's functions.

Presents an examination of the human body's control system, explaining how hormones, the brain, and the nervous system regulate the body's functions. Includes photographs and diagrams.