Interesting facts about the human body
The human body is an
incredibly complex and intricate system and it still baffles researchers
regularly despite thousands of years of medical knowledge. As a result, it
shouldn't be a surprise that even body parts we deal with everyday have
unexpected facts and explanations behind them.
Here are 100 wacky
facts about the human body:
1. The brain is more
active at night than during the day. Scientists don't know yet why this is.
2. The higher your
IQ, the more you dream.
3. Facial hair grows
faster than any other hair on the body.
4. The nail on the
middle finger grows faster than the other fingernails.
5. Fingernails grow
nearly four times faster than toe nails.
6. The lifespan of a
human hair is 3 to 7 years on average.
7. The acid in your
stomach is strong enough to dissolve zinc. It doesn't destroy the stomach
because because the stomach walls constantly renews itself.
8. Women's hearts
beat faster than men's.
9. Women blink twice
as many times as men do.
10. Women are born
better smellers than men and remain better smellers over life.
11. Men burn fat
faster than women by a rate of about 50 calories a day.
12. Men get hiccups
more often than women.
13. A man has
approximately 6.8 litres of blood in the body while women have approximately 5
litres.
14. The largest cell
in the body is the female egg and the smallest is the male sperm.
15. During your
lifetime, you will produce enough saliva to fill two swimming pools.
16. Babies are
always born with blue eyes. 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.
17. Men have
erections every hour to hour and a half during sleep. This is because the
combination of blood circulation and testerone production can cause erections
during sleep and are a necessary part of REM sleep.
18. After eating too
much, your hearing is less sharp.
19. If your saliva
cannot dissolve or mix with food, you will not be able to taste that food (try
tasting something after drying off your tongue)
20. Noise causes the
pupils of your eyes to dilate. Even very small noises can do this.
21. Everyone has a
unique smell, unique finger print and unique tongue print.
22. By age 60, most
people will have lost half their taste buds.
23. Your eyes remain
the same size after birth but your nose and ears never stop growing.
24. A simple,
moderately severe sunburn burns the blood vessels extensively.
25. We are about 1cm
taller in the mornings than in the evenings.
26. The strongest
muscle in the body is the human tongue.
27. The hardest bone
in the human body is the jaw bone.
28. The hands and
feet contains almost half of the total bones in the human body.
29. About 32 million
bacteria call every inch of your skin home, but they are mostly harmless and
some of them are even helpful.
30. Humans shed and
regrow outer skin every 27 days.
31. Three hundred
million cells die in the human body every minute and everyday and adult
produces 300 billion new cells.
32. The colder the
room you sleep, the higher the chances are that you would get a nightmare.
33. Humans are the
only species that produce emotional tears.
34. All babies are
color blind at birth, they see only black and white.
35. The only part of
your body that has no blood supply is the cornea in the eye. It gets its oxygen
directly from air.
36. A normal human
being can survive 20 days without eating but can survive only 2 days without
drinking.
37. It is impossible
to kill yourself by choking yourself with your hands.
38. Everybody has
one strong eye and one weak eye.
39. Your skeleton
keeps renewing itself every ten years which means that every ten years you get
a new skeleton.
40. The human feet
have 500,000 sweat glands and can produce more than a pint of sweat a day.
41. When you sneeze
all body functions stop, even your heart.
42. Babies are born
with 300 bones, but by adulthood the number is reduced to 206.
43. It takes
17 muscles to smile and 43 to frown.
44. The tooth
is the only part of the human body that can’t repair itself.
45. Humans
shed about 600,000 particles of skin every hour.
46. The most
common blood type in the world is Type O. The rarest blood type, A-H or Bombay
blood due to the location of its discovery, has been found in less than hundred
people since it was discovered.
47. Human lips
have a reddish color because of the great concentration of tiny capillaries
just below the skin.
48. Tears and
mucus contain an enzyme (lysozyme) that breaks down the cell wall of many
bacteria.
49. Women burn
fat more slowly than men.
50. Your eyes
are always the same size from birth but your nose and ears never stop growing.
Posted
Leave a comment
For more Updates, follow us on Facebook.
Happy Blogging...!!!
No comments:
Post a Comment