<prompt> Length of esophagus in adults is:25 cm10 cm15 cm20 cm  <response>: The esophagus is a muscular, collapsible tube about 10 in. 25 cm long that joins the pharynx to the stomach. The esophagus enters the abdomen through an opening in the right crus of the diaphragm.After a course of about 0.5 in. 1.25 cm, it enters the stomach on its right side. 