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 ...

Your personal food-processing plant is like a symphony orchestra: When all the parts perform well, the result is beautiful music that simply flows. Should one or two musicians space out or be unable ...

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.

Much of the food you eat is absorbed by your digestive system. But some makes it all the way through those twists and turns and comes out the other end.

While most of us only think of our digestive system as helping to process the foods we eat or being behind the occasional stomach ache, a healthy gut can also impact everything from stronger immunity ...

Researchers at the University of California San Diego have discovered that the gut's rhythmic muscle movements could help explain how blood vessels in the brain expand and contract together.

Scientists can have an inside look at the digestive system by studying very special cows. Follow a University of Idaho scientist as he explains how cows digest their food by opening a unique portal ...