30 Human Body Facts

Some of the top human body facts that we may not know and can surprise us.

30 Human Body Facts

30 Human Body Facts

1. A DNA fingerprint is unique for each individual except for identical twins.

2. Human's sense of taste is greatly influenced by a sense of smell.

3. Adult lungs have a surface area of around 70 square meters.

4. Our hearts beat around 100000 times each day and nearly 35 million times each year.

5. Men sweat more than women on average. Also, data and researches say that men sweat more efficiently than women.

6. About 70% of our immune system is in our digestive system.

7. It takes nearly 4-6 seconds for food to reach from mouth to stomach.

8. Our brain can stay alive for nearly 6 minutes without getting oxygen.

9. Kissing burns 15 calories per minute on passionate kissing.

10. Women are 7% shorter than men on average.

11. A fingernail takes approximately 6 months to grow from base to tip.

12. Eyebrows stay short because their growing cycle is short.

13. Fingernails don't have sensory feelings.

14. The face contains more than 50 muscles which give our large range of facial expressions.

15. A protein called Keratin not only found in skin but also in hair and nails.

16. There are different organs in the human body in a pair but we only need one to survive. With one of them, we can easily survive.

17. The human body releases growth hormones only when you sleep.

18. The human brain can store and remember the 10000 smells.

19. A normal person walks almost two lakhs kilometer in his entire life.

20. There is 65% water and 3% protein in the lens of eyes.

21.Nerve impulses sent from the brain move at a speed of 274km/h.

22. The cornea is the only part of the body which don't have blood. It receives oxygen directly from the air.

23.Kidney filters blood approximately 400 times in a day.

24. The tongue is the fastest healing part of the body.

25. Eyeballs are actually the part of our brain.

26. The mouth produces approximately 1 liter of saliva each day.

27. A human uses 100 different muscles while speaking.

28. Every cell is replaced every 11 months except for brain cells. Brain cells are replaced every 7 years.

29. Blood makes up about 8% of total body weight.

30. An adult human has 206 bones in their body.


These are some of the best top 30 human body facts that may surprise you.

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