The Creature from the Depths

Staying fit is one component of a healthy lifestyle. In this book, engaging text pairs with striking photos to teach readers how exercise improves heart and lung function, strengthens muscles and bones, increases flexibility, prevents sickness, and helps maintain a healthy body weight. Readers will learn what aerobic exercise is, how much is recommended for them, and how to measure their heart rate. Also discussed are the importance of stretching and warming up, as well as drinking enough w...