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?Redesigned in paperback, DK's best-selling Pocket Genius series is now available in an engaging compact and economical format that is ideal for both browsing and quick reference for use in school and at home. Catalog entries packed with facts provide at-a-glance information, while locator icons offer immediately recognizable references to aid navigation and understanding, and fact files round off the book with fun facts such as record breakers and timelines. Each pocket-size encyclopedia is filled with facts on subjects ranging from animals to history, cars to dogs, and Earth to space and combines a child-friendly layout with engaging photography and bite-size chunks of text that will encourage and inform even the most reluctant readers.