❤️ Human Body Facts 🧠

1. The human body has 206 bones in adulthood.

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

3. The human brain contains roughly 86 billion neurons.

4. Your skin is the largest organ in the human body.

5. Humans shed hundreds of thousands of skin cells every hour.

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

7. The stomach creates a new protective lining every few days.

8. Bone tissue is extremely strong for its weight.

9. The human nose can identify an enormous variety of scents.

10. The liver can regenerate much of its lost tissue.

11. Trillions of microorganisms live inside and on the human body.

12. Fingernails usually grow faster than toenails.

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

14. Human eyes can distinguish millions of different colors.

15. An average adult has about 5 liters of blood.

16. The small intestine is several meters long and plays a major role in nutrient absorption.

17. Humans are the only known animals with a prominent chin.

18. Your body produces around 1–1.5 liters of saliva each day.

19. Humans can survive much longer without food than without water.

20. The average adult brain weighs about 1.3–1.4 kilograms.