Join a tour through the digestive system, starting with a bite of pizza and ending with the body's waste removal. Learn how food is broken down into nutrients by various organs, including the stomach, small intestine, and large intestine in this illustrated narrative nonfiction book for elementary-age readers. Discover the roles of enzymes, saliva, and gut bacteria in digestion. Includes tips for keeping your digestive system healthy and a glossary of important terms. Whimsical characters combined with informative diagrams will help kids understand the science of the human body.