This video explains how mechanical and chemical digestion break food down and how the small intestine’s adaptations increase ...

Our digestive system is a crucial component of our body that is involved in the breakdown of food and converts it into nutrients and energy. It is a long channel through which food passes, beginning ...

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 ...

Using new technology, researchers at UC Davis and Stanford University are able to study microbes and metabolism in different parts of the human digestive system for the first time. (Getty Images) Most ...