Have you ever wondered how soap cleans your hands or how eating healthy makes your body stronger? This fully illustrated picture book explores the science behind basic health habits including hand washing, appropriate ways to cough and sneeze, how medicines work, and the importance of a healhty diet and exercise through diagrams, photos, and informative and engaging text. About the How Do series: This nonfiction series provides a great introduction to various STEM topics. Each title includes facts and figures, simple diagrams and hilarious illustrations and is written in a question-and-answer format to encourage readers to ask questions and guess the answers before exploring the science behind the correct answers.