Children are naturally curious about their bodies, and so this guide answers their questions and engages them with amazing facts, photos, illustrations, and diagrams. Readers 5 to 9 will learn about medical history and body basics, from cells and reproduction to growth and aging. The journey travels through the body and all its systems, and is complemented throughout with plenty of health tips, top 10 lists, simple experiments, and weird-but-true wacky details.