What are nails made of? How do taste buds work? Discover everything you need to know about the human body in this extraordinary fact book. Flip through 100 fascinating facts covering everything from the beating heart to how senses work, then test your knowledge with fun quizzes. Each page is packed with activities, projects and mind-blowing facts for a truly engaging experience. With stunning photographs and beautiful illustrations, this fun-filled book is sure to challenge young readers and prepare them for academic success.