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BRAIN'S do you have and know yours??? Quiz
facts about your brain
10 questions total
time left: 1:40
submitting...
1. your brain consists of ....... white matter and ........... grey matter
60% , 40%
50% , 50%
70% , 30%
2. The human brain is approximately ............. water
75%
55%
45%
3. neurons multiply at a rate 250,000 neurons per minute during early pregnancy
TRUE
FALSE
4. your brain uses approximately .......................... of the total oxygen pumping around your body!
50%
20%
45%
5. unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain??
TRUE
FALSE - Cant be!!
6. your brain consists of about 100 billion neurons!
TRUE
FALSE
7. the brain represents about ................ of your total body weight.
10%
2%
25%
8. Your skin weighs twice as much as your brain!
TRUE
FALSE
9. if you could harness the power used by your brain, you could power as a 10-watt light bulb
FALSE
TRUE
10. ............... = the number of minutes your brain can survive without oxygen before it starts to die
5 to 10
4 to 6
2 to 5
creator
KatherineD
Mar 26, 2010
85
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