The esophagus is a tubular, elongated organ that plays an important role in transporting food and liquids to the stomach ... This article discusses the anatomy of the esophagus, its function ...

Peter Lamb The anatomy and function of the duodenum, the first part of the small intestine, is described in part 3 of this series on the GI tract. Having received acidic chyme from the stomach, the ...

Our series The Body explores human anatomy ... VITAMIN B12 OUT OF YOUR FOOD. Your stomach is responsible for helping to release the crucial vitamin B12 [PDF] from the proteins you eat.