This title covers everything you never knew about the human body. From what makes blood red to why a haircut is painless, it helps your child discover all about the human body. Fantastic facts and far-out photos answer a multitude of quirky questions and tell the head-to-toe story of what makes our bodies tick. They'll take a look at our circulation system and discover how blood travels around the body and why our heart beats faster when we run. You can find out where thoughts come from and how we can see, smell, touch, taste and follow what happens to food as it travels through the digestive system. From eyes that can see a million different colours to a liver that performs more than 500 functions, it helps your child discover why their body is such an amazing machine.