15 amazing facts about Human body

The human body is a complex and intricate system, one that still baffles doctors and researchers on regular basis,, here are some interesting facts about the human body.

1. The brain operates on the same amount of power as 10-wat light bulb.

2. Your brain uses 20% of oxygen that enters your bloodstream.

3. The brain itself cannot feel pain

4. 80% of your brain is water.

5. Facial hair grows faster than any other hair on the body.

6. The lifespan of a human hair is 3 to 7 years on the average.

7. The human heart creates enough pressure to squirt blood 30 feet.

8. The acid in your stomach is strong enough to dissolve razor blades.

9. Your left lung is smaller than your right lung to make room for your heart.

10. The largest cell in human body is the female egg and the smallest is the male sperm.

11. A fetus acquires fingerprints at the age of three months.

12. Your eyes are always the same size from birth but your nose and ears never stop growing.

13. It takes 17 muscles to smile and 43 to frown.

14. Babies are born with 300 bones, but by adulthood the number is reduced to 206.

15. Your ears secrete more earwax when you are afraid than when you are not.