40 Human Body Trivia Questions for Kids

1. Where does digestion begin when you take a bite of food?

2. What are the tiny fingerlike projections that help the small intestine absorb nutrients called?

3. What is the name of your lower jawbone?

4. Which organ churns your lunch and mixes it with digestive juices?

5. Where are most digested nutrients absorbed into your blood?

6. Which intestine takes water back from food material near the end of digestion?

7. Which small pouch stores bile between meals?

8. What are the waves of squeezing muscles that move food along called?

9. Which strong cords attach muscles to bones?

10. Which tough bands connect bones to other bones at many joints?

11. What smooth, springy tissue cushions the ends of bones at many joints?

12. What do we call a place where two or more bones meet?

13. Which special areas near the ends of children's long bones help them grow longer?

14. What are muscles you can choose to move called?

15. Which muscle on the front of your upper arm helps bend your elbow?

16. What is the white outer part of an eyeball called?

17. Which clear dome covers the front of your eye?

18. Which light-sensitive layer lines the back of your eye?

19. Which nerve carries visual signals from your eye to your brain?

20. Which cells in the retina let you see colors?

21. Which tiny hairs along your eyelids help keep dust out?

22. What is the visible outer flap of your ear called?

23. What is the name of the outermost layer of your skin?

24. Which skin layer sits just below the epidermis and contains many glands and nerves?

25. As sweat dries from your skin, what does it help your body do?

26. What tiny pocket in the skin does a hair grow from?

27. New cells make a fingernail grow from which end?

28. Which pigment made by melanocytes helps color human skin and hair?

29. What is the scientific name for your windpipe?

30. When you breathe in, which way does the diaphragm usually move?

31. Why is your left lung usually a little smaller than your right lung?

32. Which parts act like one-way doors to keep blood moving correctly through the heart?

33. What are the heart's two lower pumping chambers called?

34. What is the liquid part of your blood called?

35. Which tiny blood vessels let oxygen and nutrients pass into nearby tissues?

36. Which flat-edged teeth at the front cut into a bite of apple?

37. Which pointed teeth sit just beside your incisors?

38. Which broad teeth at the back do lots of grinding as you chew?

39. Which hard tooth layer lies directly under the enamel?

40. What is the part of a tooth below the gum that anchors it in the jaw called?