Human Body (Pocket Genius) by DK Press
Focusing on bones and joints, blood and the heart, lungs and breathing, the digestive system, brain, nerves, senses, and the life cycle, Pocket Genius: Human Body is a head-to-toe look at our body and how it works. With images and content appropriate for young readers, Pocket Genius: Human Body looks at this amazing machine from the outer skin to the tiniest cells and tackles tough questions like, What are reflexes? Why do we need food? and How does the heart beat?