1. Amylase is an enzyme that breaks down
carbohydrates.
fats.
proteins.

2. Pepsin is an enzyme that breaks down
carbohydrates.
fats.
proteins.

3. Hydrochloric acid is found the most in
the small intestine.
the appendix.
the stomach.

4. The small intestine is approximately
4 meters long.
2 meters long.
7 meters long.

5. Villi are found in
the stomach.
the small intestine.
the large intestine.

6. When carbohydrates are broken down, they become
amino acids.
glycerol.
sugars.

7. In the small intestine,
nutrients are broken down and absorbed by blood vessels and lymphatic vessels.
water is absorbed into the bloodstream.

8. In the large intestine,
water is absorbed into the bloodstream.
harmful bacteria are killed.
nutrients are broken down and absorbed into the bloodstream.