Did you know that every minute of every day of your life your heart beats about seventy times? Our bodies are truly amazing machines! Discover how your body repairs a cut or broken bone, what cells make up your fingernails, and all kinds of other fascinating facts. Kids will love the fun, colorful drawings, and cartoon-like body parts dutifully performing their functions. 128 pages (all in color), 8 1/2 X 11.