Interesting Human Body Facts List:

1. 40% of the human race didn’t survive beyond its first birthday.
2. All babies are colour blind when they are born.
3. A human heart pumps enough blood during the lifetime to fill 3 supertankers.
4. Enamel is the Hardest substance in the human body.
5. All the blinking in one day equates to keeping your eyes closed for 30 minutes.
6. You are always able to see your nose, your brain just chooses to ignore it.
7. 20% of the population has cheek-dimples.
8. If you electrically shock a person’s brain, their math skills can greatly improve for up to six months.
9. Approx 80% of a child’s intelligence is acquired from the mother.
10. Singing exercises your heart, lungs and relaxes endorphins, making you feel good.
11. The human body is better suited for 2 four-hour sleep cycles than 1 eight-hour session.
12. 10% of all human beings ever born are alive at this very moment.
13. It’s impossible to breathe and swallow at the same time.
14. By the time you finish reading this sentence 50,000 of the cells in your body will die and be replaced by new cells.
15. There is enough carbon in your body to fill 900 pencils, enough fat to make 75 candles, enough phosphorus to make 220 match heads. and enough iron to make a 7.5 cm nail.
16. Your stomach produces up to 2 litres of hydrochloric acid every day.
17. Your sneezes can travel at a speed of 160 km/h: faster than a train.
18. At least 30% of adults snore.
19. There are 62,000 miles of blood vessels in the human body – laid end to end they would circle the earth 2.5 times.
20. An individual blood cell takes about 60 seconds to make a complete circuit of the body.
21. Each person sheds 40lbs of skin in his or her lifetime.
22. Human tapeworms can grow up to 22.9m.
23. The Ebola virus kills 4 out of every 5 humans it infects.
24. The average person accidentally eats 430 bugs each year of their life.
25. Without its lining of mucus, your stomach would digest itself.
26. A healthy person has 6,000 million, million, million haemoglobin molecules.
27. One in every 2000 babies is born with a tooth.
28. During your lifetime, you’ll eat about 60,000 pounds of food, that’s the weight of about 6 elephants.
29. Human thigh bones are stronger than concrete.
30. A hard-working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it’s there.
31. Fingernails grow nearly 4 times faster than toenails.
32. You blink over 20,000,000 times a year.
33. Your foot is the same size as the distance between your wrist and elbow. You can put your foot in that area and it will fit.
34. Bone cells are constantly renewed, so every ten years you have a “new” skeleton.
35. Intelligent people have more zinc and copper in their hair.
36. Every person has a unique tongue print.
37. Only one person in two billion will live to be 116 or older.
38. Men can read smaller print than women; women can hear better than men.
39. A person cannot taste food unless it is mixed with saliva. For example, if a strong-tasting substance like salt is placed on a dry tongue, the taste buds will not be able to taste it. As soon as a drop of saliva is added and the salt is dissolved, however, a definite taste sensation results. This is true for all foods.
40. The strongest muscle in proportion to its size in the human body is the tongue.
41. Dimples may be cute, but they are an inherited genetic flaw. They are caused by a fibrous band of tissue that connects the skin to an underlying bone.
42. It is impossible to hum while your nose is plugged close.
43. If you are severely scared of going to the dentist or having dental work, you may actually have a phobia called odontophobia.
44. Cold weather makes fingernails grow faster.
45. During thinking, we use about 35% of our brains.
46. Goosebumps are actually caused by a muscle called the arrector pili muscle.
47. Blue eyes are the result of an ancient genetic mutation.
48. Your left lung is smaller than your right lung to make room for your heart.
49. Every time you sneeze, some of your brain cells die.
50. Women tears have been proven to biologically reduce sexual desire in men.
51. As embryos, the first thing that develops is our anus.
52. Women need up to an hour’s extra sleep as compared to men as women are much more susceptible to depression.
53. People who regularly get less than 6 hours of sleep increase their chances of dying over a 25 year period by 12%.
54. Consuming pizza once a week can help to reduce the chances of oesophagal cancer.
55. If humans were able to hear sounds at a frequency lower than 20 Hertz, we would be able to hear our muscles.

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