Have you ever wondered why you sweat in the heat, or what happens when you swallow your food? Discover the complex systems that work together to make you, you in this fun and fact-filled guide. Your body is a powerhouse of muscles, bones, blood vessels, organs and nerves that work together non-stop to keep you alive. Explore how your body works from head to toe with eye-popping visuals and fascinating facts that reveal the function of your muscles, skeleton, heart, and much more. From the way your brain sends messages around your body to how your kidneys work tirelessly to produce urine, BODY makes mind-boggling science easy to understand. We show in detail how each body system works and how all the systems work together. We see how the body digests food as you take a bite out of an apple, how the heart pumps blood around the body as you run, and how your immune system keeps you healthy. With the latest scientific fun facts, vivid illustrations, BODY transforms the human anatomy into a thrilling, living map. Whether you're curious about how your nose helps you taste, or how your ears keep you balanced, BODY makes the science of you fun, exciting, and unforgettable.