Digestive System Labeling Quiz

1. Which muscular ring regulates the passage of stomach contents into the duodenum?

2. Which part of the colon runs mainly across the upper abdomen between the right and left colic bends?

3. Which small sac beneath the liver stores and concentrates bile?

4. Following the normal path of food, which structure comes immediately after the stomach?

5. Bile and pancreatic secretions normally enter which segment of the digestive tract?

6. Which structure temporarily stores feces immediately before elimination through the anal canal?

7. A surgeon identifies the pouch that receives material from the ileum before it moves into the ascending colon. What is this pouch?

8. Which label belongs on the muscular tube that carries swallowed material from the pharynx to the stomach?

9. A microscopic label points to fingerlike projections that increase the absorptive surface of the small intestine. What are they?

10. A narrow, blind-ended tube projects from the cecum. Which structure should receive the label?

11. Which section is the terminal part of the small intestine and connects to the cecum?

12. On a front-view anatomy diagram, which structure forms a broad frame around most coils of the small intestine?

13. A structure lies mostly behind the stomach and sends digestive enzymes and bicarbonate into the small intestine. Which label fits?

14. Acid reflux commonly involves the muscular junction between the esophagus and stomach. Which label identifies this junction?

15. A label points to a large organ in the upper right abdomen that produces bile. Which organ is it?

16. Which structure forms the roof of the mouth and separates the oral cavity from the nasal cavity?