Much of the food you eat is absorbed by your digestive system, which includes your stomach and your intestines. But some of what you eat makes it all the way through those twists and turns and comes ...

It makes sense that water is important for living organisms since Earth's surface is about 71% covered by water. When you consider that two of the three most common elements in the human body make up ...

Food goes on a long, complex journey through your body before becoming poo. Each part of the digestive system plays a special role in breaking it down.