A Close-Up Look at What's Inside — Packed with Facts, Photos, and Cool Experiments! Photos taken with a microscope and easy-to-read facts show how your body works. • Breathtaking photos — including a white blood cell devouring a germ! • Labeled diagrams of body systems • Easy experiments that let kids discover the facts themselves • Teacher-approved Internet links for further study • Comprehensive glossary From 200 bones to a million sweat pores to one heart and brain, this encyclopedia is a simple introduction to the miracle of the human body. What happens to the food you eat? How do your eyes work? What is blood made of? These and hundreds of other questions are answered in a straightforward manner using photographs, diagrams, and fun facts about anatomy.