Find out all about the human body by asking some clever questions! Where does blood come from? What does a belly button do? And just why do we feel hungry? Discover the answers to these questions and much more in Clever Questions: Animals ! Discover the world with these fun, child-friendly question and answer books on high-interest topics. Along the way, readers will discover fascinating facts to remember and share, as well as learn key science and geography information. Books in the series: Animals / Dinosaurs / Human Body / Planet Earth / Rainforest / Robots & AI / Space / Technology.