20 Interesting human body Facts

1. The human body has 206 bones in adulthood.

2. Your heart beats around 100,000 times a day.

3. The human brain contains approximately 86 billion neurons.

4. Your skin is the largest organ of the body.

5. Humans shed about 600,000 particles of skin every hour.

6. The human body has enough iron to make a small nail.

7. The stomach gets a new lining every 3 to 4 days to prevent digestion of itself.

8. Your bones are stronger than steel of the same density.

9. The human nose can detect over 1 trillion different scents.

10. The liver can regenerate itself even after losing up to 75% of its mass.

11. Your body has more bacterial cells than human cells, mostly in the gut.

12. Fingernails grow faster than toenails, at about 3 mm per month.

13. The brain uses about 20% of the body's total oxygen supply.

14. Your eyes can distinguish approximately 10 million different colors.

15. The human body contains around 5 liters of blood.

16. Your small intestine is about 6 meters long, making it the longest organ inside your body.

17. Humans are the only animals with chins.

18. Your body produces about 1 to 1.5 liters of saliva each day.

19. The human body can survive without food for more than a month, but only a few days without water.

20. The average human brain weighs about 1.4 kilograms (3 pounds).