105 Fun Facts about the Human Body | Heart | Blood | Hair | Bones \ Mescals | Eye | cornea | brain | Legs | Hand | skin | hair

105 Fun Facts about the Human Body

 

1. You blink about 10 times a minute, which is 10 million times a year.

2. After puberty your height stops growing, your ears and nose continue to lengthen and gravity is responsible for this phenomenon.

3. Our cornea, the clear front of the eye, has no blood supply and gets oxygen directly from the air!

4. The only muscle that never tires is the heart.

5. Once the oxygen supply is cut off, the human brain can survive for three to six minutes.

6. Only three months after conception, human fingertips develop from the embryo. This means that after the first trimester, the baby's fingers are fully developed.

7. When a person experiences redness, it is also felt in the lining of the stomach because it also becomes red.

8. A strange fact about height is that while in space, astronauts can grow up to almost two inches.

9. The entire surface of your skin is replaced every month, which put another way means you have about 1,000 different skins in your life.

10. On average you fart enough in one day to fill a party balloon.

11. During the entire life span of a human being, a human being is born with 300 bones and becomes 206 as an adult.

12. The human heart can beat outside the body.

13. All humans are born with a diving reflex, which can cause bodily functions to shut down. It is activated when a person drowns or drowns in water.

14. Humans can glow in the dark, however, they are too weak for the human eye to detect.

15. The human body consists of organs in singular numbers and in pairs. However, organs are present in pairs, we only need one to survive.

16. When your body experiences extreme hunger, your brain is likely to start eating itself.

17. Your small intestine is taller than you and measures about 23 feet.

18. A quarter of the bones in the human body are in the feet.

19. When you count all the blood vessels in the human body, there are over 10,000 miles of blood vessels.

20. If you want to check your height, you are taller in the morning than at night.

21. Did you know? You will not be able to breathe and swallow at the same time.

22. Your right kidney is slightly lower than your left kidney.

23. Your heart can sync to the rhythm when you listen to music.

24. Ever wondered what the size of the brain is? If you smooth out all the wrinkles, your brain will look as flat as a pillow.

25. The acid produced in your stomach aka stomach acid is so strong that it can even dissolve metal. So, it can burn your skin too!

26. Like fingerprints, humans have a unique tongue print.

27. Another strange fact about the human body is that we humans shed about 600,000 skin particles every hour.

28. Here's another fun fact about humans. The human body is made up of one trillion cells. And if any of the cells mutate, they can combine uncontrollably to form cancer. And when every cell divides so many times, with nearly 30,000 genes in each cell, it's likely that you've fought cancer at one point.

29. Did you know? Babies blink only once or twice a minute while adults blink at least 10 times at a time.

30. In one lifetime, a human produces 25,000 liters of saliva, which is almost enough to fill two swimming pools.

31. Your eyes blink about 10 times a minute. They blink ten million times a year.

32. Your ears never stop growing!

33. Earwax is actually a form of sweat!

34. The tongue is covered with about 8,000 taste buds, each containing 100 cells that help you taste your food!

35. You spit about 40,000 litters in your lifetime. Or to put it another way, about five hundred would fill a bathtub.

36. An adult human has approximately 65-70 ml of blood per kg of body weight. Therefore, humans have around 5 liters of blood in their bodies. The volume of blood is approximately 5.5 liters in each adult male and 4.5 liters in females.

37. You are about 1 mm taller when you wake up in the morning than when you go to bed. That's because the soft cartilage in your bones squashes and contracts during the day.

38. If you walk 12 hours a day, it will take an average of 690 days to go around the world.

39. The body has 2.5 million sweat pores.

40. Every minute you shed more than 30,000 dead skin cells.

41. If you live to the age of 70, your heart will have beaten about 2.5 billion times!

42. Spread over their lifetime, most people spend an average of one year sitting on the toilet.

43. You can only survive 11 days without sleep

44. 80% of what you learn comes from your eyes

45. You were born without knees

46. A strange fact about the human body is that our lungs are the only organs that float on water. That's because our lungs have 300 million balloon-like structures called alveoli.

47. Even when we are in good health, our lungs are never sterile or germ-free.

48. An amazing yet strange fact about the human body is that our nose is almost a superhero. It is also a filter, heater, and humidifier. Whereas, the nose consists of small bone-like shelves known as turbinates, which contain blood vessels that can warm the air and goblet cells that help humidify the air. Finally, the air we breathe is filtered before entering the lungs.

49. Coughing and sneezing is your body's natural mechanism to expel any foreign material.

50. Children who do not breathe through their nose but speak through their mouth are at risk of developing a lisp

51. Did you know? Another strange fact about the human body is that when we eat something, the esophagus works like a giant wave, called peristalsis.

52. Considering that nails grow at a rate of around 0.1 mm per day one can conclude that this would mean that over an entire worldwide average lifetime, a person's nails would be 2593.27 mm equivalent to about 2.6 m.

53. There is a connection between the digestive system and your brain, called the gut-brain axis. So any stress or brain disorders can affect the way your body digests food.

54. Another strange fact about the human body is that it hiccups when the temperature changes.

55. Ever wondered why poop smells bad? Due to fermenting bacteria, which are then mixed with air.

56. Another fun and strange fact about the brain is that the brain uses more energy than the rest of the body where only 20% of the energy is reserved for the rest of the body.

57. Even when you are asleep, your brain is constantly working.

58. Brain density continues to increase with new neuronal connections as brain structure continues to change.

59. Once you reach the age of 20, you start losing neurons and by the time you are 75, at least 1 to 10 neurons are lost.

60. The longest nerve in the body that runs from the spinal cord to the toes is called the sciatic nerve.

61. When we think of bones, we think of hard substances. But another strange fact about the human body is that bones are filled with a spongy substance known as bone marrow.

62. The smallest bone in our body is the inner ear.

63. The longest and strongest bone in the body is in the foot.

64. Did you know? Your bone can heal itself by making new cells. That's why you're put in a cast when you break a bone.

65. The largest joint in your body is the knee.

66. The human reproductive system consists of the smallest and largest human cells.

67. The average size of male genitalia is 6 inches long.

68. A woman's vagina is as acidic as a tomato and the pH level of a tomato is between 4.0 and 4.7 and the pH level of a vagina is between 4.5.

69. A man produces more than 500 billion sperm cells throughout his life.

70. Some women are born with two uteri which are known as uteri didelphys or double uterus. However, this is not a common condition where 1 in 2,000 women worldwide suffer from it.

71. In a strange fact about the human body, the longest recorded pregnancy was 375 days when a woman named Beulah Hunter gave birth in Los Angeles 100 days after an average pregnancy of 280 days.

72. Now that we have talked about the longest pregnancy, let's talk about the shortest. Here a woman gave birth to her baby in just 22 weeks. Despite many complications, the baby survived.

73. The oldest woman recorded to have given birth is 66 years old.

74. The uterus expands during pregnancy. In the first trimester, the uterus is about the size of an orange and after the third trimester, it is as big as a watermelon.

75. In 2009, Nadya Suleman gave birth to eight children, six boys and two girls, in a California hospital.

76. A fun fact about the human body is that it has over 600 muscles.

77. The gluteus maximus, which is the main extensor muscle of the hip, is the largest muscle in the body.

78. The smallest muscle in the body lies inside the inner ear and connects the eardrum and your inner ear together.

79. Over 40% of your body weight is made up of muscle.

80. Do you want to know what the hardest working muscle in your body is? Well, it is none other than the heart that pumps about 2,500 gallons of blood every day.

81. A fun fact about your heart is that it beats about 100,000 times a day.

82. Did you know? Mondays have a higher rate of heart attacks than any other day of the week.

83. Among fun facts about the human body, the oldest known cause of heart disease was found in an Egyptian mummy, which was 3,500 years old.

84. A woman's heart beats slightly faster than a man's.

85. The heartbeat is caused by the closing and opening of the heart valves.

86. A fun and strange fact about the human body is that the brain is made up of 60% fat.

87. Did you know? Your brain is not fully developed until the age of 25.

88. The storage capacity of the brain is unlimited because the brain contains 86 billion neurons and these neurons connect with others, totaling up to 1,000 trillion.

89. Information travels to your brain at a speed of 268 miles per hour.

90. Men's brains are larger than women's, with brains weighing about 3 pounds. However, brain weight does not indicate intelligence.

91. A strange fact about the human body is that there are about 300 sweat glands in one square inch of skin.

92. Your skin is home to over 1,000 types of bacteria.

93. Skin contributes about 15% of your body weight.

94. The thickest skin on your body is found on your feet and the thinnest is on your eyelids.

95. Usually, when your body is suffering from any medical condition, you will notice changes in the skin, which is a warning sign.

96. Your entire body has a total of about 5 million hair follicles. You're born with all of your hair follicles and don't develop more as you age. There are very few parts of your body that don't have any hair. These include the palms of your hands, soles of your feet, and the red part of your lips..

97. Baby teeth grow in the womb, but they erupt from the gums only when the child is 6 to 12 years old.

98. The average person spends a total of 38.5 days brushing their teeth in their lifetime.

99. One-third of the teeth are under the gums.

100. Tooth enamel is a part of the body, which is harder than bone.

101. The human hand consists of 54 bones including the wrist.

102. Your bones stop growing in length after you hit puberty.

103. Bones are made up of a mixture of calcium, phosphorus, sodium, collagen, and other minerals.

104. There are 26 bones in your foot.

105. Bone is a living tissue, which means that every 7 years you get a new skeleton, and you need collagen to replenish the bones.

Please Note: This information does not constitute medical advice or professional medical services; Rather, it is provided for educational, informational, and entertainment purposes only.

Credit: marathibana.com