The fact that there are 20 human body

The fact that there are 20 human body neighbor we need to know are: 

1. Each one hour trillion cells in the body must be replaced. 

2. The human eye can distinguish 500 shades of gray. 

3. Human thigh bones are stronger than concrete. 

4. The human heart can create enough pressure to squirt blood 30 feet (9 m). 

5. Our eyes are always the same size from birth, but our nose and ears never stop growing. 

6. The average cough comes out of our mouths speed of 60 miles (96.5 km) per hour. 

7. A beard is the hair that grows most rapidly in humans. If the average man never cut his beard, then this will make it grow to nearly 30 feet in life. 

8. Baby's eyes do not produce tears until the baby was about six or eight weeks. 

9. Each person has a different tongue shapes. 

10. Sneeze can exceed the speed of 100 m / hour. 

11. Dead cells in our body eventually carried to the kidneys for excretion. 

12. A smile is a facial expression most often used. A smile can do anywhere from 5 to 53 pairs of facial muscles. 

13. One in 20 people has more ribs. 

14. People with darker skin will not wrinkle as fast as people with lighter skin. 

15. Human blood through 60,000 trips (96 540 km) per day on a journey through the body. 

16. 85% of the population can bend their tongue into a tube. 

17. It takes food seven seconds to go from the mouth to the stomach via the esophagus.

18. Women's hearts beat faster than men. 

19. In one day, our heart beats 100,000 kal1. 

20. Hair is made from the same material as fingernails.