An expert breaks down the entire digestion process.

The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 meters) of these convoluted pipeworks, starting with the mouth and ending ...

Your heart's will to beat, to keep going, is incredibly strong. If the heart fails, so does everything else… Because it's your heart's job to deliver to every cell, to every nook and cranny of ...

Save guides, add subjects and pick up where you left off with your BBC account. The digestive system is like a big food factory inside our bodies. Its job is to break down the food we eat into ...