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 40 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.


http://more.ng/lists/40-wacky-facts-about-human-body-you-didint-know

Dts gud 2 know

wow

Wonderful thing the human body.

dats a gud fact to note