Meet the digestive system it helps you process tasty foods! Join colorful characters as they explore how the human body removes wastes and gains energy from food. Readers will learn about nutrition, digestion, the mouth, stomach, liver, small intestine, and kidneys. Along the way they'll meet William Beaumont, a doctor who studied the human stomach. There's also a handy timeline to help students understand the history of anatomical science. For more content on the wonders of the body, check out other titles in the Building Blocks of the Human Body series!