gurrera
Registered
>
> 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 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, and 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 a 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,
> hallucinaed, 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 eft-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 into the
>
> air.
>
Gurrera
> 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 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, and 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 a 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,
> hallucinaed, 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 eft-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 into the
>
> air.
>
Gurrera