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Grades 6, 7 and 8 - Science - Middle School - Digestion
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Avg score: 72% • Most missed: “The small intestine in an adult is .......”

Digestion is the breaking down of food from large insoluble molecules into smaller soluble molecules. In humans, the large intestine is roughly 1.5 meters long, whereas the small intestine can be up to 7 meters long.  The 'large' and 'small' pertain to the diameter rather than the length.

Grades 6, 7 and 8 - Science - Middle School - Digestion
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20 Questions

1. Which of the following is NOT a type of tooth?
2. Lipase breaks down .......
3. The removal of undigested food is called .......
4. Which of the following is NOT an enzyme?
5. At which range of temperatures do enzymes work best?
6. The small intestine has special structures, called villi, which help absorption of digested food. Which of the following is NOT a feature?
7. Which of the following organs is not part of the digestive system?
8. The small molecules are absorbed into the blood in the .......
9. Starch is broken down into .......
10. The small intestine in an adult is .......
11. Protein is broken down into .......
12. At which range of temperatures do enzymes work best?
13. Which of the following organs is not part of the digestive system?
14. The small intestine has special structures, called villi, which help absorption of digested food. Which of the following is NOT a feature?
15. What does the large intestine do?
16. The removal of undigested food is called .......
17. Protease breaks down .......
18. Iodine solution is a yellow-brown color and is used to test for starch. If starch is present it turns .......
19. Glucose is stored in the .......
20. What does the liver do?

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