Why Do I Brush My Teeth?

A hands-on first science series that uses fun activities to explore the human body – Why do I brush my teeth?
An ideal first introduction to biology and health, Science in Action explores the human body using fun experiments and activities. Find out about why we exercise and discover why washing is important. Learn about sleep and why we need it, and find out which foods are bad for your teeth. Each of the four books explores an important part of keeping healthy and uses clear text to ensure that complex ideas are easy to understand.