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Science

Human Digestive System

Grade 8 · Middle School

Answer every question first, then press Finish to see your score and explanations.

  1. Question 1 of 20Easy

    The enzyme that changes starch into simple sugar in the mouth is ...

  2. Question 2 of 20Easy

    The teeth that grind food are the ...

  3. Question 3 of 20Easy

    The absorption of nutrients happens in the ...

  4. Question 4 of 20Easy

    The tube that connects the mouth to the stomach is the ...

  5. Question 5 of 20Easy

    The enzyme pepsin in the stomach breaks down ...

  6. Question 6 of 20Easy

    The part of the large intestine that absorbs water and mineral salts is the ...

  7. Question 7 of 20Medium

    The correct order of the digestive organs is ...

  8. Question 8 of 20Medium

    The enzyme trypsin produced by the pancreas changes ... into amino acids.

  9. Question 9 of 20Medium

    The bile produced by the liver functions to ...

  10. Question 10 of 20Medium

    Hydrochloric acid (HCl) in the stomach functions to ...

  11. Question 11 of 20Medium

    Inflammation of the appendix is called ...

  12. Question 12 of 20Medium

    Diarrhea happens because ...

  13. Question 13 of 20Medium

    The villi on the wall of the small intestine function to ...

  14. Question 14 of 20Medium

    The nutrient digested by the enzyme lipase is ...

  15. Question 15 of 20Hard

    Which of the following enzymes is produced by the pancreas?

  16. Question 16 of 20Hard

    A person feels pain in the stomach, nausea, and a burning sensation because too much stomach acid is produced. This disorder is called ...

  17. Question 17 of 20Hard

    Eating too little fiber can cause ...

  18. Question 18 of 20Hard

    The correct sequence of the chemical digestion of protein is ...

  19. Question 19 of 20Hard

    The function of the liver in the digestive system is to ...

  20. Question 20 of 20Hard

    The functions of the liver and the pancreas are, respectively, to ...

0/20 answered
Human Digestive System — Science Grade 8 · Middle School — Question Bank — Nuvora