Why do you need to eat and drink? How can you swallow if you are standing on your head? What does your stomach do? Your body is amazing! There are parts you can see and parts under your skin that you can't see. These parts work together to keep you alive and help you to do incredible things. You need to eat and drink to stay alive. Have you ever wondered why or wanted to know what happens to the food? Read this book in the 'Body Systems' series to find out!
