Human Body Facts
1. In June 1981, the world`s first test-tube twins were born
2. 26 calories energy is burned in a one minute kiss.
3. A fetus acquires fingerprints at the age of three months.
4. A full bladder is roughly the size of a soft ball.
5. A human nose can remember 50,000 different scents.
6. A pair of human foot contains 250,000 sweat glands.
7. A runner consumes about 7 quarts of oxygen while running a 100-yard dash.
8. A shank is the part of the sole between the heel and the ball of the foot.
9. About 32 million bacteria call every inch of your skin home.
10. About one third of the human race has 20-20 vision.
11. About one trillion bacteria are present on each of human feet.
12. Among the first known "dentists" of the world were the Etruscans. In 700 BC they carved false teeth from the teeth of various mammals and produced partial bridgework good enough to eat with.
13. An average human loses about 200 head hairs per day.
14. Approximately 75% of human poop is made of water.
15. Blondes have more hair than dark-haired people.
16. Body Facts
17. Bone is stronger, inch for inch, than the steel in sky scrapers.
18. Dogs and Humans are the only animals with prostates.
19. Each square inch of human skin consists of 20 feet of blood vessels.
20. Every human spent about half an hour as a single cell.
21. Eyes are always the same size from birth but nose and ears never stop growing.
22. Facial hair grows faster than any other hair on the body.
23. Fetuses can hiccup.
24. Finger nails grow nearly 4 times faster than toe nails.
25. Finger nails are made from the same substance as a bird's beak.
26. Heart beating of woman is faster than a man.
27. Human body contains about 4 ounces of salt.
28. Human body has enough iron in a human being to make one small nail.
29. Human ear contains nine muscles.
30. Human stomach has 35 million digestive glands.
31. Human stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself.
32. Human thigh bones are stronger than concrete.
33. If saliva cannot dissolve something, you cannot taste it.
34. If the average male never shaved, his beard would be 13 feet long when he died.
35. If they were laid end to end, the blood vessels in human body would wrap around the equator 2 1/2 times.
36. In 1977, one 13 years old child found a tooth growing out of his foot.
37. In a hot climate, you can sweat as much as 3 gallons of water a day.
38. In a year, a person`s heart beats about 40,000,000 times.
39. Injured finger nails grow faster than uninjured ones.
40. It only takes 7 pounds of pressure to rip off ears.
41. It takes the food seven seconds to get from a human mouth to stomach.
42. It takes twice as long to lose new muscle if you stop working out than it did to gain it.
43. Living brain cells are bright pink.
44. Men without hair on their chests are more likely to get cirrhosis of the liver than men with hair.
45. Most people blink about 25 times a minute.
46. Muscle cells live lifetime whereas skin cells live less than 24 hours.
47. Neurons continue to grow throughout human life.
48. One human hair can support 3 kilograms.
49. Ophthalmic surgery was one of the most advanced areas of medicine in the ancient world. Detailed descriptions of delicate cataract surgery with sophisticated needle syringes is contained in the medical writings of Celsus (A.D. 14-37)
50. Scientists have counted over 500 different liver functions.
51. Second largest bone in the foot called talus.
52. Size of human thumb is approximately the same size as their nose.
53. The acid in stomach is strong enough to dissolve razor blades.
54. The ashes of a cremated person average about 9 pounds. A big part of what gives the human body weight is the water trapped in our cells.
55. The attachment of human muscles to skin is what causes dimples.
56. The average human dream takes 2 to 3 seconds.
57. The average weight of a person's skin is twice to their brain.
58. The average woman is 5 inches shorter than the average man.
59. The enamel in your teeth is the hardest substance in your body.
60. The human body has 60,000 miles of blood vessels. Verified Human Anatomy and Physiology", Third Edition, by Elaine N. Marieb. copyright date is 1995. p. 643 Thxs, monkee191
61. The largest internal organ is the small intestine. Despite being called the smaller of the two intestines, your small intestine is actually four times as long as the average adult is tall.
62. The longest recorded bout of hiccups lasted for 65 years.
63. The longest recorded sneezing fit lasted 978 days.
64. The navel divides the body of a newborn child into two equal parts.
65. The three things pregnant women dream most of during their first trimester are 1) frogs 2) worms 3) potted plants.
66. The tongue is the only muscle attached at one end.
67. The tooth is the only part of the human body that can't repair itself.
68. The white part of your finger nail is named as the Lunula.
69. There are 45 miles of nerves in the skin of a human body.
70. There are 5 million hair follicles on an average adult.
71. There are no two tongue prints that are alike.
72. Women blink twice as much as men.
73. Human big toes have two bones each while the rest have three.
74. Human body contains the same amount of iron as an iron nail.
75. Human body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.
76. Human body uses 300 muscles to balance itself while standing still.
77. Human teeth start growing 6 months after birth.
78. Your ears secrete more earwax when you are afraid than when you aren't.
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