Author(s): Richard Walker

Reference

This title covers everything you never knew about the human body. From what makes blood red to why a haircut is painless this is the head-to-toe story of what makes our bodies tick. 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, discover why the human body is such an amazing machine.