Learn everything there is to know about the amazing human body with this fact-filled encyclopedia.Did you know that every part of your human body is made of tiny, microscopic cells? Did you know your body is organized into distinct systems that have different functions? Learn more about this and much more with the First Human Body Encyclopedia.Know what is inside your bones, find out about how joints move, and how muscles work. Peek into the control center of the body – the brain. Explore all the senses including touch, sight, hearing, smell, and taste. Find out how our organs, such as the heart and lungs, work.You will also see how your body changes as you grow older and hormones develop. Discover how your body fights against germs and allergies and explore how we express and communicate. Then test yourself – and your friends and family – with the quiz pages in the end.First Human Body Encyclopedia is the perfect home resource for young children to start learning all about how our bodies work.