New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

People are often reminded that they are their own unique person -- and a new study says that's particularly true of the digestive tract. Dissections of a few dozen deceased individuals revealed ...

This film explores the complex process of human digestion, detailing how food is broken down into molecules by the digestive system. It follows the journey of food from the mouth, where it is chewed ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

The fundus is a dome-shaped part of the stomach that stores gas from digestion. It can also hold food if the stomach becomes full. The stomach is an important part of the digestive system. It stores ...

In the 1966 sci-fi film Fantastic Voyage, a group of scientists ventures inside the body of an injured colleague to save him from a life-threatening blood clot. They get a front-row seat to the ...