What is a tube? Did you know You Have a Tube in your body? It's called the digestive tract. This simple, colorful, fun-to-read book explains how the... > Lire la suite
What is a tube? Did you know You Have a Tube in your body? It's called the digestive tract. This simple, colorful, fun-to-read book explains how the stomach, liver, gallbladder, pancreas, and intestines work together to digest food and energize our bodies. Whimsically illustrated and scientifically written, this book can benefit young and old.