http://www.nationalgeographic.com/science/health-and-human-body/human-body/digestive-system/

Check our National Geographic’s “Feed the System” interactive educational game that allows you to select a piece of food of your choice, and follow it as it travels throughout the digestive tract to undergo complete digestion. 

It’s a quick game that concisely provides facts about the foods you eat and the pathways they take in your body. Recommended for adults and children!