50 Unusual Things You Didn’t Know About Yourself

Did you think you knew yourself so well that the secrets of your body simply no longer existed for you? Well, you’ll be surprised at how little you actually know about yourself. Read the 50 information below and check your general knowledge yourself. You will surely find out that your body is a universe that you did not even imagine could exist.

1.People who smoke a pack of cigarettes a day basically drink a cup of tar a year.

2. Humans are the only animals that can draw a straight line.

3. A man’s DNA contains 80,000 genes.

4. Just as fingerprints are unique, each person’s fingerprint is different from the others.

5. An adult has fewer bones in his body than a child. We start our life with 350 bones, but because certain bones come together during growth, we only have 206 at maturity.

6. Even if it is not as sensitive as that of a dog, the human nose can sense up to 50,000 different odors.

7. The digestive acids present in the human stomach are so strong that they can dissolve zinc and corrode steel. Fortunately for us, the cells in the gastric mucosa of the stomach are renewed every 3–4 days, leaving no time for the acids to dissolve.

8. A human lung contains over 300,000 million capillaries. If it were put together, it would cover a distance of 2400 kilometers.

9. A man’s testicles produce 10 million sperm every day — enough for him to repopulate the planet in just six months.

10. Human bones are as strong as granite. A match-sized bone can withstand the pressure of a 9-ton block — four times the strength of concrete.

11. The largest organ of the human body is the skin. It can cover, in the case of an adult, an area of 1.9 square meters. Also, during a person’s lifetime, he loses up to 18 kilograms of dead skin.

12. When he sleeps, a man grows an average of 8 millimeters, so that in the morning he returns to his original height. The reason is simple… gravitational force acting on cartilage.

13. A person consumes, on average, 50 tons of food and drinks about 50,000 liters of fluid throughout his life.

14. The muscles of one eye move about 100,000 times a day. To imagine what this means, think that the equivalent of such an effort for the leg muscles means a journey of 80 kilometers every day.

15. In 30 minutes, the human body releases enough heat to boil 3.5 liters of water.

16. A drop of blood takes only 30 seconds to complete a circuit of the human body.

17. The human eye perceives only 90% of the information it receives.

18. The ovaries contain about half a million eggs. However, only 400 of them will have the opportunity to give birth to a new life.

19. Every square inch of skin contains at least 32 million bacteria. Fortunately, most of them are harmless.

20. The legs alone contain over 500,000 sweat glands, which can remove up to half a liter of sweat a day.

21. The speed at which air is removed during a sneeze is at least 160 kilometers per hour.

22. In a lifetime, a man can produce up to 24,000 liters of saliva, enough to fill two Olympic pools.

23. A person can endure up to 40 days without food, 6 days without water and 6 minutes without air. He also can’t stand without sleeping for more than 11 days.

24. A child’s head weighs about a quarter of its body weight. At maturity, the head represents only one-eighth of the weight of the body.

25. Toenails grow on average six times faster than fingernails.

26. About 50,000 cells in your body have died and been replaced as you read this article. Your skeleton is new every three months and you have new skin every month.

27. Every square inch of your skin contains 6 meters of blood vessels, 3.5 meters of nerves, 1300 nerve cells, 100 sweat glands and 3 million cells.

28. To frown, you have to use 43 muscles of the face. You only need 17 to smile.

29. Of the 206 bones in the human body, more than half of them are in the hands and feet.

30. A man’s heart beats about 3 billion times during his lifetime.

31.The aorta is the largest blood vessel in the human body. In the case of an adult, it has the diameter of a garden hose. At the opposite pole are the capillaries. They are so thin that you need 10 such vessels, placed next to each other, to equal the thickness of a hair.

32. Every person loses an average of 100 hairs a day and over 10 billion dead skin particles.

33. The human eye is able to distinguish about 1 million different colors and obtain more information than the most powerful telescope ever built.

34. When you touch an object, the signal travels through the body, through the nerves, at over 200 kilometers per hour.

35. A man inhales and exhales about 23,000 times a day.

36. The place where human hair grows the fastest is the beard. If not trimmed regularly, a beard could grow up to 10 meters in length.

37. In the first month of life, a child learns so much that the synapses in his brain increase from 50 trillion to 1 trillion. If his body developed at the same rate, the child would weigh 77 kilograms after only one month of life.

38. An adult’s stomach can hold up to 1.5 liters of food.

39. Nails and hair are made of the same substance: keratin.

40. The big toes are some of the most important structures in our body. Thanks to these fingers, a man can keep his upright position and maintain his balance.

41. Men shorter than 1.28 meters and women shorter than 1.18 centimeters are considered dwarfs.

42. Every human being bends his fingers 25 million times in a lifetime.

43. The size of a man’s heart is equal to that of his own fist.

44. The human brain generates more electrical impulses in one day than all the mobile phones in the world combined.

45. In the body of each of us live bacteria whose total weight would reach the figure of 2 kilograms.

46. The right lung always holds more air than the left lung.

47. In the mouth alone, a human has up to 40,000 bacteria.

48. At birth, a baby’s brain contains about 14 billion cells, a number that does not grow until the end of life. After the age of 25, the human brain begins to lose up to 100 cells daily. After the age of 50, the human brain significantly reduces its volume.

49. Women blink twice as often as men.

50. The smallest cells in a man’s body are sperm.

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