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Science & Social Studies

Human Digestive System

Grade 5 · Elementary

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

  1. Question 1 of 20Easy

    The digestion of food in humans begins in the ...

  2. Question 2 of 20Easy

    The absorption of nutrients mainly happens in the ...

  3. Question 3 of 20Medium

    The enzyme ptyalin in saliva changes starch into ...

  4. Question 4 of 20Medium

    The bile that helps digest fat is produced by the ...

  5. Question 5 of 20Hard

    The correct order of the digestive tract is ...

  6. Question 6 of 20Easy

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

  7. Question 7 of 20Easy

    The teeth that are used to cut food are the ...

  8. Question 8 of 20Easy

    The main function of the stomach in digestion is ...

  9. Question 9 of 20Easy

    The nutrient that is the body's main source of energy is ...

  10. Question 10 of 20Medium

    The enzyme pepsin in the stomach works to change ...

  11. Question 11 of 20Medium

    The main function of the large intestine in digestion is ...

  12. Question 12 of 20Medium

    Diarrhea is usually caused by ...

  13. Question 13 of 20Medium

    Food is pushed from the esophagus to the stomach by ... movements.

  14. Question 14 of 20Medium

    The canine teeth in humans are used to ...

  15. Question 15 of 20Medium

    The tongue helps digestion in the mouth by ...

  16. Question 16 of 20Hard

    Protein digestion begins in the stomach because it contains the enzyme ...

  17. Question 17 of 20Hard

    When swallowing, food does not enter the airway because it is covered by the ...

  18. Question 18 of 20Hard

    Besides producing bile, the liver also functions to ...

  19. Question 19 of 20Hard

    If pancreatic juice does not flow properly, the most likely problem is difficulty digesting food rich in ...

  20. Question 20 of 20Hard

    Chewing food until it is smooth is very helpful because ...

0/20 answered
Human Digestive System — Science & Social Studies Grade 5 · Elementary — Question Bank — Nuvora