77 Human Body Facts

1 Star2 Stars3 Stars4 Stars5 Stars (No Ratings Yet)
Loading ... Loading ...
  1. The shark cornea has been used in eye surgery, since its cornea is similar to a human cornea.
  2. The number one cause of blindness in adults in the United States is diabetes.
  3. The eyeball of a human weighs approximately 28 grams.
  4. The eye of a human can distinguish 500 shades of gray.
  5. The cornea is the only living tissue in the human body that does not contain any blood vessels.
  6. The conjunctiva is a membrane that covers the human eye.
  7. Sailors once thought that wearing a gold earring would improve their eyesight.
  8. Research has indicated that a tie that is on too tight can increase the risk of glaucoma in men.
  9. People generally read 25% slower from a computer screen compared to paper.
  10. Men are able to read fine print better than women can.
  11. Close to fifty percent of the bacteria in the mouth lives on the surface of our tongue.
  12. You have approximately 9,000 - 10,000 taste buds; however, they’re not all on the tongue. Some are under the tongue; some are on the inside of the cheeks; some are on the roof of the mouth. Some can even be found on the lips; these are especially sensitive to salt.
  13. 85% of the population can curl their tongue into a tube.
  14. In a month, a fingernail grows an eighth of an inch.
  15. People who have a mouth with a narrow roof are more likely to snore. This is because they have less oxygen going through their nose.
  16. While sleeping, one man in eight snores, and one in ten grinds his teeth.
  17. It takes food seven seconds to go from the mouth to the stomach via the esophagus.
  18. In one day, a human sheds 10 billion skin flakes. This amounts to approximately 4,5 pounds in a year.
  19. Every square inch of the human body has about 19,000,000 skin cells.
  20. Every hour one billion cells in the body must be replaced.
  21. The small intestine in the human body is about 2 inches in diameter, and 22 feet long.
  22. The human body has approximately 37,000 miles of capillaries.
  23. The aorta, which is the largest artery located in the body, is about the diameter of a garden hose.
  24. The adult human body requires about 88 pounds of oxygen daily.
  25. An average women has about 17 square feet of skin. When a women is in her ninth month of pregnancy she has approximately 18.5 square feet of skin.
  26. The width of your arm span - stretched out - is the length of your whole body.
  27. Women hearts beat faster than men.
  28. Three years after a person quits smoking, their chance of having a heart attack is the same as someone who has never smoked before.
  29. The human heart weighs less than a pound.
  30. The human heart can create enough pressure that it could squirt blood a distance of thirty feet.
  31. The first recorded open heart surgery was performed by Dr. Daniel Hall Williams in 1893.
  32. Scientists have discovered that the longer the ring finger is in boys, the less chance they have of having a heart attack.
  33. The right lung of a human is larger than the left one. This is because of the space and placement of the heart.
  34. The human heart beat roughly 35 million times a year.
  35. In a lifetime, the heart pumps about one million barrels of blood.
  36. In 1967, the first successful heart transplant was performed in Cape Town, South Africa.
  37. People that suffer from gum disease are twice as likely to have a stroke or heart attack.
  38. Most heart attacks occur between the hours of 8 and 9 AM.
  39. The human heart beast roughly 35 million times a year.
  40. At one time it was thought that the heart controlled a person’s emotions.
  41. The smallest bone in the human body is the stapes bone which is located in the ear.
  42. There are 54 bones in your hands including the wrists.
  43. The only bone fully grown at birth is located in the ear.
  44. The human face is made up of 14 bones.
  45. If an identical twin grows up without having a certain tooth, the other twin will most likely also grow up with that tooth missing.
  46. Humans are born with 300 bones in their body, however when a person reaches adulthood they only have 206 bones. This occurs because many of them join together to make a single bone.
  47. Gardening is said to be one of the best exercises for maintaining healthy bones.
  48. Enamel is hardest substance in the human body.
  49. Although the outsides of a bone are hard, they are generally light and soft inside. They are about 75% water.
  50. Adult human bones account for 14% of the body’s total weight.
  51. 1 in 2000 babies are born with a tooth that is already visible.
  52. Fingernails grow nearly 4 times faster than toenails!
  53. The strongest bone in your body is the femur (thighbone), and it’s hollow
  54. In the United States women are twice as likely to be diagnosed with depression than men.
  55. The human brain has about 100,000,000,000 (100 billion) neurons.
  56. Of all the oxygen that a human breathes, twenty percent goes to the brain.
  57. People who ride on roller coasters have a higher chance of having a blood clot in the brain.
  58. Once a human reaches the age of 35, he/she will start losing approximately 7,000 brain cells a day. The cells will never be replaced.
  59. It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation.
  60. A women from Berlin, Germany has had 3,110 gallstones taken out of her gall bladder.
  61. In America, the most common type of mental illness is Anxiety Disorders.
  62. Your brain is 80% water.
  63. Your brain is move active and thinks more at night than during the day.
  64. The smile is the most frequently used facial expression. A smile can use anywhere from 5 to 53 facial muscles.
  65. The slowest growing finger nail is on the thumb, and the fastest growing is the nail on the middle finger.
  66. The sensitivity of a woman’s middle finger is reduced during menstruation.
  67. The same amount of calories are burned in 6 sessions of 5 minutes each of an activity, or doing 1 session of that activity for 30 minutes.
  68. The pectin that is found in apples aids in lowering cholesterol levels.
  69. The most frequent season for suicides to occur is spring. The winter months have the lowest number of suicides.
  70. The majority of American models are skinnier than 98% of American women.
  71. The longest case of hiccups on record was by an American pig farmer, whose hiccups persisted from 1922 through 1987.
  72. The length of a human esophagus is 25 centimeters.
  73. The human liver performs over 500 functions.
  74. The feet have approximately 250,000 sweat glands.
  75. The eight most popular foods to cause food allergies are: milk, eggs, wheat, peanuts, soy, tree nuts, fish, and shellfish.
  76. The earliest known occurrence of a fetus yawning was at eleven weeks after conception.
  77. The average ear grows 0.01 inches in length every year.

Source: Concepts, Ideas, Thoughts & Bullshit which is also linked on my Blogs At BlogUpp page.

Tags:

Leave a Reply

- Get an avatar.



Tag Cloud




who's online

eXTReMe Tracker

Home Page