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- 1. Multiple Choice
Which is the largest organ in the human body?
the heart
the lungs
the skin
the brain
- 2. Multiple Choice
How many bones are there in the adult human body?
276
206
106
186
- 3. Multiple Choice
What is the total length of all the blood vessels in a child's body?
about 97,000 km
about 36,000 km
about 65,0000 km
about 23,000 km
- 4. Multiple Choice
How much does the adult human brain weigh on average?
1kg
1.5kg
1.3kg
1.4kg
- 5. Multiple Choice
Every second, your body produces ______ new cells.
25 million
22 million
21 million
23 million
- 6. Multiple Choice
About ____ of your body is made up of water.
55%
50%
60 %
65%
- 7. Multiple Choice
More than half of your bones are located in the hands, wrists, feet, and_______.
ankles
toes
nails
heel
- 8. Multiple Choice
Infants are born with approximately _____bones
320
300
301
350
- 9. Multiple Choice
Human's brain uses 20% of our _____ and blood supply.
oxygen
water
carbon dioxide
air
- 10. Multiple Choice
You are taller in the _____ than you are at night.
evening
afternoon
late night
morning
- 11. Multiple Choice
Your eyeballs are actually part of your______.
head
brain
skull
bone
- 12. Multiple Choice
The smallest bone in your body is in your_____.
eyes
nose
mouth
ears
- 13. Multiple Choice
Your ______ are the only organs in your body that float
kidneys
eyes
lungs
liver
- 14. Multiple Choice
The human nose can detect about _____smells
1 million
1 trillion
1 billion
10 million
- 15. Multiple Choice
_______ is / are the body’s largest organ.
The eyes
Lungs
The skin
Head
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