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PC Technician brings you strange biology facts




       FASCINATING FACTS FROM BIOLOGY
                  
  
     
  If you yelled for 8 years, 7 months, and 6 days, you would  have
  produced enough sound energy to heat up one cup of coffee. (Hardly
  seems  worth it.)
 
  A pig's orgasm lasts for 30 minutes.
  (In my next life I want to be pig.)
 
  Banging your head against a wall uses 150 calories an hour.
  (Still not over that pig thing.)
 
  Humans and dolphins are the only species that have sex for pleasure.
  (Is that why Flipper is always smiling? And why isn't the pig
  included in this list?  Maybe 30 minute orgasms aren't as fun as I
  imagine...)
 
  On average, people fear spiders more then they do death.
 
  The strongest  muscle in the body is the tongue. (Hmmmmmm......)
 
  A crocodile cannot stick out its tongue.
 
  
 
  The ant can lift 50 times its own weight, can pull 30 times its own
  weight, and always falls over on its right side when  intoxicated.
  (From drinking little bottles of....? Did the gov't pay for this
  research?)
 
  Polar bears are left handed.
  (Who knew? Who cares? Did the gov't pay for this too?  Probably...)
 
  The flea can jump 350 times its body length.  That's like a human
  jumping the length of a football field.
 
  A cockroach will live 9 days without its head before it starves to
  death.
 
  The male praying mantis cannot copulate while it's head is attached
  to its body. The  female initiates sex by ripping the male's head
  off.  (Hi, honey. I'm  home. What the...?)
 
  Some lions mate over 50 times a day.
  (In my next life I still want to be a pig.
  Quality over quantity, you  know?)
 
  Butterflies taste with their feet. (Oh, jeez!)
 
  Elephants are the only animals that can't jump.
 
  An ostrich's eye is bigger than its  brain.
  (I know some people like that.)
 
  Starfish don't have brains.
  (I  know some people like this too.) 
 
  It takes your food seven seconds to get from your mouth to your stomach.
 
  One human hair can support 6.6 pounds.
 
  The average man's penis is two times the length of his thumb.
 
  Human thighbones are stronger than concrete.
 
  A woman's heart beats faster than a man's.
 
  There are about one trillion bacteria on each of your feet.
 
  Women blink twice as often as men.
 
  The average person's skin weighs twice as much as the brain.
 
  Your body uses 300 muscles to balance itself when you are standing still.
 
  If saliva cannot dissolve something, you cannot taste it.
 
  Women Will be finished reading this by now.  
  And Men Are still busy checking their thumbs.  
 
 
 




 
   
  The human body is a treasure trove of mysteries, one that still confounds 
  doctors and scientists about the details of its working. It's not an overstatement 
  to say that every part of your body is a miracle. Here are fifty facts about 
  your body, some of which will leave you stunned...
 
  1. It's possible for your body to survive without a surprisingly large
  fraction of its internal organs. Even if you lose your stomach, your
  spleen, 75% of your liver, 80% of your intestines, one kidney, one lung, and
  virtually every organ from your pelvic and groin area, you wouldn't be very
  healthy, but you would live. 
 
  2. During your lifetime, you will produce enough saliva to fill two
  swimming pools. Actually, Saliva is more important than you realize. If your
  saliva cannot dissolve something, you cannot taste it. 
 
  3. The largest cell in the human body is the female egg and the
  smallest is the male sperm. The egg is actually the only cell in the body 
  that is visible by the naked eye. 
 
  4. The strongest muscle in the human body is the tongue and the
  hardest bone is the jawbone. 
 
  5. Human feet have 52 bones, accounting for one quarter of all the
  human body's bones. 
 
  6. Feet have 500,000 sweat glands and can produce more than a pint of
  sweat a day. 
 
  7. The acid in your stomach is strong enough to dissolve razor blades.
  The reason it doesn't eat away at your stomach is that the cells of your
  stomach wall renew themselves so frequently that you get a new stomach
  lining every three to four days. 
 
  8. The human lungs contain approximately 2,400 kilometers (1,500 mi)
  of airways and 300 to 500 million hollow cavities, having a total surface
  area of about 70 square meters, roughly the same area as one side of a
  tennis court. Furthermore, if all of the capillaries that surround the lung
  cavities were unwound and laid end to end, they would extend for about 992
  kilometers. Also, your left lung is smaller than your right lung to make
  room for your heart. 
 
  9. Sneezes regularly exceed 100 mph, while coughs clock in at about 60
  mph. 
 
  10. Your body gives off enough heat in 30 minutes to bring half a gallon
  of water to a boil. 
 
  11. Your body has enough iron in it to make a nail 3 inches long. 
 
  12. Earwax production is necessary for good ear health. It protects the
  delicate inner ear from bacteria, fungus, dirt and even insects. It also
  cleans and lubricates the ear canal. 
 
  13. Everyone has a unique smell, except for identical twins, who smell
  the same. 
 
  14. Your teeth start growing 6 months before you are born. This is why
  one out of every 2,000 newborn infants has a tooth when they are born 
 
  15. A baby's head is one-quarter of its total length, but by the age of
  25 will only be one-eighth of its total length. This is because people's
  heads grow at a much slower rate than the rest of their bodies. 
 
  16. Babies are born with 300 bones, but by adulthood the number is
  reduced to 206. Some of the bones, like skull bones, get fused into each
  other, bringing down the total number. 
 
  17. It's not possible to tickle yourself. This is because when you
  attempt to tickle yourself you are totally aware of the exact time and
  manner in which the tickling will occur, unlike when someone else tickles
  you. 
 
  18. Less than one third of the human race has 20-20 vision. This means
  that two out of three people cannot see perfectly. 
 
  19. Your nose can remember 50,000 different scents. But if you are a
  woman, you are a better smeller than men, and will remain a better smeller
  throughout your life. 
 
  20. The human body is estimated to have 60,000 miles of blood vessels. 
 
  21. The three things pregnant women dream most of during their first
  trimester are frogs, worms and potted plants. Scientists have no idea why
  this is so, but attribute it to the growing imbalance of hormones in the
  body during pregnancy. 
 
  22. The life span of a human hair is 3 to 7 years on average. Every day
  the average person loses 60-100 strands of hair. But don't worry, you must
  lose over 50% of your scalp hairs before it is apparent to anyone. 
 
  23. The human brain cell can hold 5 times as much information as an
  encyclopedia. Your brain uses 20% of the oxygen that enters your bloodstream, 
  land is itself made up of 80% water. Though it interprets pain signals from 
  the rest of the body, the brain itself cannot feel pain. 
 
  24. The tooth is the only part of the human body that can't repair
  itself. 
 
  25. Your eyes are always the same size from birth but your nose and ears
  never stop growing. 
 
  26. By 60 years of age, 60% of men and 40% of women will snore. 
 
  27. We are about 1 cm taller in the morning than in the evening, because
  during normal activities during the day, the cartilage in our knees and
  other areas slowly compress. 
 
  28. The brain operates on the same amount of power as 10-watt light
  bulb, even while you are sleeping. In fact, the brain is much more active at
  night than during the day. 
 
  29. Nerve impulses to and from the brain travel as fast as 170 miles per
  hour. Neurons continue to grow throughout human life. Information travels at
  different speeds within different types of neurons. 
 
  30. It is a fact that people who dream more often and more vividly, on
  an average have a higher Intelligence Quotient. 
 
  31. The fastest growing nail is on the middle finger. 
 
  32. Facial hair grows faster than any other hair on the body. This is
  true for men as well as women. 
 
  33. There are as many hairs per square inch on your body as a
  chimpanzee. 
 
  34. A human fetus acquires fingerprints at the age of three months. 
 
  35. By the age of 60, most people will have lost about half their taste
  buds. 
 
  36. About 32 million bacteria call every inch of your skin home. But
  don't worry, a majority of these are harmless or even helpful bacteria. 
 
  37. The colder the room you sleep in, the higher the chances are that
  you'll have a bad dream. 
 
  38. Human lips have a reddish color because of the great concentration
  of tiny capillaries just below the skin. 
 
  39. Three hundred million cells die in the human body every minute. 
 
  40. Like fingerprints, every individual has an unique tongue print that
  can be used for identification. 
 
  41. A human head remains conscious for about 15 to 20 seconds after it
  has been decapitated. 
 
  42. It takes 17 muscles to smile and 43 to frown. 
 
  43. Humans can make do longer without food than sleep. Provided there
  is water, the average human could survive a month to two months without 
  food depending on their body fat and other factors. Sleep deprived people,
  however, start experiencing radical personality and psychological changes
  after only a few sleepless days. The longest recorded time anyone has ever
  gone without sleep is 11 days, at the end of which the experimenter was
  awake, but stumbled over words, hallucinated and frequently forgot what he
  was doing. 
 
  44. 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 
 
  45. Every human spent about half an hour after being conceived, as a
  single cell. Shortly afterward, the cells begin rapidly dividing and begin
  forming the components of a tiny embryo. 
 
  46. Right-handed people live, on average, nine years longer than
  left-handed people do. 
 
  47. Your ears secrete more earwax when you are afraid than when you
  aren't. 
 
  48. Koalas and primates are the only animals with unique fingerprints. 
 
  49. Humans are the only animals to produce emotional tears. 
 
  50. The human heart creates enough pressure to squirt blood 30 feet in
  the air.





 
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