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Middle round (ages 9β11): Your body. Pages: the ten question cards, two answer sheets to a page (print one page per two teams), and the key on the last page, to fold back.
1. What happens to the pupils of your eyes in bright light?
- A. they change color
- B. they get smaller
- C. they get bigger
2. Where in your body is your smallest bone?
- A. in the little toe
- B. in the ear
- C. in the nose
3. Which waste gas do your lungs breathe out?
- A. carbon dioxide
- B. helium
- C. oxygen
4. Which wide teeth at the back of your mouth grind up food?
- A. the incisors
- B. the molars
- C. the canines
5. How many chambers, or rooms, does the human heart have?
- A. two
- B. four
- C. six
6. About how many muscles are in your body?
- A. fewer than 200
- B. fewer than 60
- C. more than 600
7. How many bones does a grown-up's body have?
- A. 106
- B. 206
- C. 406
8. About how many taste buds is a person born with?
- A. about 10,000
- B. about 100
- C. about 1 million
Team: ______________________
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| 8 | ABC |
Team: ______________________
| 1 | ABC |
| 2 | ABC |
| 3 | ABC |
| 4 | ABC |
| 5 | ABC |
| 6 | ABC |
| 7 | ABC |
| 8 | ABC |
The key (for the host: fold this page back)
- B: they get smaller. The pupil is really an opening that lets light into your eye.
- B: in the ear. It is called the stapes, or stirrup, and it helps you hear.
- A: carbon dioxide. Your lungs take oxygen into your blood and let carbon dioxide out.
- B: the molars. Your tongue pushes chewed food back to the molars to be mashed.
- B: four. The top two are the atria and the bottom two are the ventricles.
- C: more than 600. Muscles do jobs from pumping blood to lifting a heavy backpack.
- B: 206. A baby starts with about 300 bones, and some of them grow together.
- A: about 10,000. Taste buds sit in the little bumps on top of your tongue, called papillae.
Every answer checked at its source. Play this round on a screen: peabody.kids/trivia/round?r=b2.tbody.s63119