THE GASTROINTESTINAL SYSTEM



Complete using the terms in the box.


pancreas     rectum         duodenum         sigmoid colon           mouth               appendix

           liver              ileum      descending colon         caecum
gallbladder            anus

epiglottis        transverse colon    jejunum      ascending colon        oesophagus        stomach



1. The _______________ - a large organ located above and in front of the stomach. It filters the
blood and produces bile and some blood proteins.
2. The _______________ - a small, sac-like organ located by the duodenum. It stores bile and
releases it into the small intestine.
3. The _______________ - a sac-like, muscular organ at the lower end of the oesophagus. Food
entering this organ is churned in an acid bath.
4. The _______________ - an enzyme-producing gland located under the stomach. Enzymes from this
organ help in the digestion of carbohydrates, fats and proteins in the small intestine.
5. The _______________ - the opening at the end of the digestive system.

6. The _______________ - the first segment of the GI system where food enters the body and the
process of digestion (breaking down the food) begins.
7. The _______________ - the lower part of the large intestine in which faeces are stored before
they are excreted from the body.

8. The _______________ - a small intestinal sac attached to the caecum.
9. The _______________ - the long tube between the mouth and the stomach.

10. The _______________ - the part of the large intestine that runs upwards.
11. The _______________ - the part of the large intestine that runs downwards.
12. The _______________ - the section of the large intestine that runs horizontally across the
abdomen.

13. The _______________ - the first part of the large intestine.

14. The _______________ - the last segment of the small intestine before the large intestine.
15. The _______________ - the long, coiled middle section of the small intestine.

16. The _______________ - the C-shaped initial part of the small intestine.

17. The _______________ - the last section of the colon.

18. The _______________ - a flap of tissue that prevents food from entering the larynx.