How do your muscles work? Why does your heart beat? How do scabs form on your wounds? How do our ears help us to keep our balance? Uncover the answers to these secrets of the human body in this fascinating fact-filled book. Find out what s going on under your skin as you learn about the cells that build us. Discover more about the five senses that help us make sense of our world. Explore the major systems in the human body. With full-colour illustrations on every page, and an extensive index, The Human Body is a great resource for students or for anyone who s ever wondered what makes us tick.