Our bodies are amazing machines, but how do they actually work? Discover the fascinating world of human biology – from single cells to mighty muscles and incredible organs – and the processes going on inside us every day. Packed with stunning photographs and cutaway illustrations, How It Works: The Body explores how we move, eat, see, hear and heal, and more. With easy-to-understand explanations and fascinating facts, by Dr Kate Barnes, guides us on an incredible voyage through the human body.