09/02/15 Grif.Net - Your Body Quiz

[Dr Bob Griffin]

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
b...@grif.net www.grif.net
"Jesus Knows Me, This I Love!"