Colorful graphics, engaging text, and fun, close-up photographs invite young readers to become familiar with their digestive system. Readers will learn how their mouth, esophagus, stomach, and intestines work together to digest their food and give their body energy. Simple diagrams highlight major parts of the digestive system.

Describes the nervous system in the human body, including how it works to send impulses from the brain to the rest of the body, why it is important for vital body function, and how to keep it healthy.