A human esophagus (and intestines) move food along through the system via peristalsis: a series of circular muscular contractions that propagate along the tubular organs.

An introduction to the amazing functions of the human body's digestive system.

Much of the food you eat is absorbed by your digestive system, which includes your stomach and your intestines.

Chemical digestion is one of the six main functions of your digestive system. This system consists of your digestive or gastrointestinal tract and accessory organs. During chemical digestion, your ...

Ancient Egyptians handled human organs as they removed them for embalming. Medical manuscripts found in an ancient Chinese tomb may be the earliest-known anatomical writing about the human body.