We have the impression that we are the absolute masters of knowledge about the human body. Especially due to the development of technology, we have learned more about how it works and what kind of changes and processes take place in our body at any given time.

And yet, the human body remains a complex and mysterious mechanism, which sometimes amazes even the most qualified specialists, doctors or scientists.

Here are 20 interesting things about the human body that amaze us. In the article you can watch two fascinating videos about us all.

1. The fingerprint of the language is unique to each person, just like fingerprints.

2. A single hair can support the weight of an apple.

3. The number of bacteria in a person's mouth equals and sometimes even exceeds the number of people on the planet (and think we are over 7.4 billion).

4. Soft, brittle nails that do not have the white part at the base of the nail, sometimes called the "crescent", can indicate hyperthyroidism.

Photo: brightside.me

5. The speed of nerve impulses is about 400 km / h.

6. During a day, the blood in the human body travels a distance of 19,312 kilometers.

7. The total length of all the nerves in the human body is 75 kilometers.

8. A man inhales and exhales about 20,000 times a day.

9. The human eye can distinguish up to 10 million colors, but the brain cannot remember them all.

10. The ears grow constantly throughout life.

11. The heart beats 35 million times a year.

12. Every day, the human body loses about one million epithelial cells.

13. One square centimeter of skin contains about a hundred pain sensors.

14. The tongue of boys has fewer taste buds than that of girls.

15. A person consumes, on average, 35 tons of food over a lifetime.

Photo: huffingtonpost.com

 

16. We spend about 5 years of our lives blinking. Fortunately, we can do several things at once 🙂

17. Every second, 100,000 chemical reactions take place in our brain.

18. The speed of air expulsion during a sneeze is 160 km / h.

19. The brain consumes up to 20% of the oxygen and calories in the human body.

20. Smiling activates 17 facial muscles, while crying activates 43.

The conclusion? Smile more!