The Digestive System In this next report I will be talking to you about the Digestive system. You stomach is your main organ because it mixes your food and breaks down food into units that can be taken into and used by your body. The stomach looks like a big bagpipe. The alimentary canal is a long tube inside your body that runs from your mouth to your anus. In the stomach food takes 10 to 20 hours to pass through the body. In the whole Digestive system there is about 6 main organs and they are your stomach, your large intestines, your small intestines, your liver, your pancreas, and your esophagus. The mai