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 ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. What did you have for breakfast today and where is that food now? Well, depending on how long ago you ...

The small intestine's function is to break down food from the stomach and absorb the nutrients. The main role of the duodenum, the first part of the small intestine completes the first phase of ...

Answering one of the oldest questions in human physiology, researchers at Dana-Farber Cancer Institute have discovered why the body's immune system -- perpetually on guard against foreign microbes ...