Quiz 11: The Gastrointestinal System Gastroenterology

Medicine

A Explanation: Enter/o means "intestines," which are part of the lower gastrointestinal tract.

B Explanation: The esophagus (root esophag/o) connects the mouth to the stomach.

B Explanation: The duodenum (root duoden/o) is the first of the three sections of the small intestine and literally means "twelve" because its length is about the same width of 12 fingers.