Understanding how your body works can be an important part of keeping it healthy. The lungs, for example, are a body part that many people take for granted but are essential for quality of life. For the most part, the lungs work automatically with little conscious effort from an individual. However, there are things that can be done to help keep them extra healthy. Readers will learn about these amazing organs through the help of accessible text and informative diagrams. They'll be encouraged to take part in fun activities that will help keep their lungs strong.