Usborne Internet-Linked. 2001. Kirsteen Rogers and Corinne Henderson. The human body is more complex than the most sophisticated computer. But how does it work? Find out how we breathe, why we eat, what blood is made of and much more. Contains clear explanations of hundreds of scientific terms, over 100 tested and approved Web sites, test yourself study guides, experiments, activities, observations, and free downloadable pictures for homework projects. 64 pages, soft cover, full color photographs and illustrations. Ages 9 and up.