Digestive system:quiz 9

1. A component of gastric juice that helps create the environment that pepsin needs to break down protein in the stomach.

2. A substance that changes in some way to indicate the presence of another substance. Examples include Benedict's solution and Lugol solution.

3. An enzyme in the stomach that breaks down protein.

4. Watery substance secreted by three pairs of glands around the mouth. Helps moisten and soften food for swallowing.

5. The sphincter between the esophagus and the stomach is the

6. The two organs that produce digestive fluids that are secreted into the small intestine are

7. The tiny projections that cover the surface of the folds in the small intestine are

8. The process by which the nutrients from the digested food pass into the blood vessels through the wall of the small intestine is called

9. Fats get chemically digested into

10. The liquid that breaks down large fat droplets into smaller ones so they can mix more easily with the juices from the small intestine and pancreas is