You may understand the respiratory and digestive systems as separate entities but, in many ways, the two are intimately connected. For example, breathing provides oxygen to help your digestive tract ...

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 ...

An introduction to the amazing functions of the human body's digestive system. An introduction to the amazing functions of the human body's digestive system. Our continued survival as individuals and ...

Your gastrointestinal (G.I.) system, the key player in your overall digestive health, is one of the most important systems in your body. It consists of the mouth, esophagus, stomach, small intestine, ...

Your liver is essential to your good health. The liver is an important part of the digestive system. It performs more than 300 different function in the human body. Learn more about the liver.

Your digestive system changes as you age. This may make certain types of foods more difficult to digest, including spicy foods, dairy products, and processed foods. The digestive system slows as we ...

If you have a gastrointestinal disorder such as irritable bowel syndrome or inflammatory bowel disease, or even if you just have a slightly sensitive stomach, you likely know which foods may cause or ...