1. Our brain is more active at night than during the day. Scientists do not
yet know why this is so.
2. By age 60, most people will have lost half their taste buds.
3. The higher our IQ, the more we
supposedly dream.
5. Your body contains enough iron to make a 3-inch nail.
6. Fingertips are actually capable of re-grooving.
7. Fingernails grow nearly four times faster than
toenails.
8. The lifespan of a human hair is 3 to 7 years on average.
12. Women are born better smaller than men and
remain better smaller over life.
13. Bone is actually stronger than steel.
14. The hardest bone in the human
body is the jawbone.
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17. The largest cell in the body is the female egg and the smallest is the
male sperm.
18. During your lifetime, you will produce enough saliva to fill two swimming
pools.
19. All babies are color blind at birth, they see only black and white.
20.Babies are born with blue eyes more than any
other color. The melanin in their eyes needs time to be fully deposited or to
be darkened by ultraviolet light to reveal the baby's true eye color.
21. You have taste buds other places besides your tongue.
22. Germs from coughs travel at around 60 miles per hour.
23. You have approximately 2,000 different taste buds.
24. Your tongue can get fat.
26. Noise causes the pupils of your eyes to dilate. Even very
small noises can do this
27. There are actually 14 different basic nose shapes.
28. Your sense of smell is the last sense to activate each morning.
29. Your nose shapes the sound of your voice.
32. We are about 1 cm taller in the mornings than in the evenings.
33. The colder the room you sleep in, the higher the chances are that you would get a nightmare.
35. A normal human being can survive 20 days without eating but can survive only 2 days without drinking.
37. Blonde people have more hair.
38. Facial hair grows
faster than any other
hair on the body.
39. Only after you've lost most of half of your hair will people begin
to notice.
40. Human hair is practically indestructible.
41. The average person loses between 60 and 100 strands of hair each day.
42. You need to use 200 muscles to take a single step.
43. Tears and mucus contain an enzyme called lysosomes which breaks
down the cell wall of many kinds of bacteria.
44. A quarter of the
bones in your body
are found in your feet.
45. You use around 200 different muscles in order to take a single step forward.
47. Humans shed and regrow outer skin every 27 days.
48. Your memory is affected by your body position, meaning that you remember
things differently when you're standing to when you're sitting.
49. The brain physically changes shape during
puberty.
50. Your brain itself is unable to experience pain.
51. Your brain can store five times the amount of information as the Encyclopaedia Britannica.
52. Your brain can make
your think you are hearing loud noises in a condition known exploding head syndrome.
54.Children grow faster in the spring.
56. Your body
has around 60,000 miles of
blood vessels.
57. Your body contains enough blood to satisfy the appetites of 1,200,000 mosquitoes.
58. Blood type 'O' is
the most common blood type in the world.
59. A drop of blood contains around 250,000 platelets.
61. Nerve impulses can travel as fast as 170 miles per hour.
62. Everyone once spent around half an hour as a single cell.
63. 300 billion new cells are
created each day.
64. Your body contains ten times more bacteria cells than human cells.
65. Around 10,000 human cells could fit on a pin head.
67. The only part of your body that has no blood supply is the cornea in the
eye. It gets its oxygen directly from air.
68. Your eyes
remain the same size after birth but your nose and ears never stop growing.
69. Your eye see the world upside down, but
the brain automatically corrects it for you.
70. Everybody has one strong eye and
one weak eye.
73. Your skeleton keeps renewing itself every ten years, which means that
every ten years you get a new skeleton.
76. More than 9 out of 10 diseases are caused
or aggravated by stress.
80. One out of every 2,000 babies is born with
at least one tooth.
81. The only part of the body that can't
repair itself is the tooth.
82.The acid in your stomach is strong enough to dissolve zinc. It doesn't
destroy the stomach because the stomach walls constantly renew
themselves.
83. Your stomach lining renews itself
every 3-4 days.
84. Your stomach
acid is powerful enough to dissolve
a razor blade.
85. The small intestine is the biggest internal organ.
87. Your fingers don't contain a single muscle.
89. Your right
lung is larger than your left
lung.
90. Around 75% of human waste is composed of water.
91. The liver has
over 500 unique functions.
93. You create more earwax when you are afraid.
94. The average person farts around 14 times a day.
95. A full bladder can swell to the size of a softball.
96. Your adrenal glands keep changing size throughout your life.
97. A passionate kiss causes the same chemical reactions to take place that firing a gun and
bungee jumping do.
98. A human fetes is able to heal its mother wounds.
99. A bite from a human
being will almost always become infected if left untreated.
100. It is impossible
to kill yourself by choking yourself with your hands.
101. Men also have a
uterus, which lies dormant on one side of the male prostate gland.
Thank you !
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1).amazing-fact-of-human-body-part-1
5). Sirius: it-is-group-of-two-stars.html
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