Here are a baker’s dozen questions about the human body. See how much you
know (or can accurately guess) about yourself!
1. Your hair grows faster in the winter (cold) than summer (warm).
True/False.
2. All the blood in your body travels through your heart once a(n) ________.
3. ___% of every bite of food we eat is used to fuel the brain.
4. You are taller in the morning than in the evening. True/False.
5. You will lose about _________ pounds of skin cells every year.
6. Your eyes produce a teaspoon of tears every ____________.
7. Without clothes, you would start to feel cold at ____ degrees F.
8. ________ is the only color that when seen makes the heart beat faster.
9. Every square inch of your skin hosts __________ bacteria.
10. You breathe in _______ gallons of air a day.
11. Your brain is more active at night than in the daytime. True/False.
12. Humans can make ________ different facial expressions.
13. ___% of all oxygen in the body is used by the brain.
[answers tomorrow]
~~
Dr Bob Griffin
[email protected] www.grif.net
“Jesus Knows Me, This I Love!”