Rumble! Are you hungry? After you eat a snack, you may go back to playing. But that's when your stomach really steps up. With every meal from breakfast to dinner, your stomach works to break down your food. It gives you the energy you need to do everything else. Explore what's inside you with fun text, bright pictures, and lively illustrations. Glossary of key words Index Table of contents Our bodies are super machines that keep us moving, learning, and having fun. But how do they work? The secret is inside! Explore different body systems, what they do for us, and how to keep them healthy. Each book pairs colorful illustrations and photographs with engaging text and fun facts

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