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

What happens when we eat and during digestion? Here, learn about the parts of the digestive system, how they work, and how to recognize any problems.

The pancreas, an organ that’s part of both the digestive and endocrine systems, helps with digestion and regulating blood sugar. Learn more about its functions and whether you can live without it.