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Can you feel the pulse in your wrist? For humans the
normal pulse is 70 heartbeats
per minute. Elephants have a slower pulse of 27 and
for a canary it is 1000!
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If all the blood vessels in your body were laid end to end, they would
reach
about 60,000 miles.
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Abraham Lincoln probably had a medical condition called Marfan’s syndrome.
Some of its symptoms are extremely long bones,
curved spine, an arm span
that is longer than the person’s height, eye
problems, heart problems and very
little fat. It is a rare, inherited condition.
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In one day your heart beats 100,000 times.
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Half your body’s red blood cells are replaced every seven days.
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By the time you are 70 you will have easily drunk over 12,000 gallons of
water.
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Coughing can cause air to move through your windpipe faster than the speed
of sound — over a thousand feet per second!
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Germs only cause disease, right? But a common bacterium, E. Coli, found in
the intestine helps us digest green vegetables and
beans (also making gases – pew!).
These same bacteria also make vitamin K, which
causes blood to clot. If we
didn’t have these germs we would bleed to death
whenever we got a small cut!
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It takes more muscles to frown than it does to smile.
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That dust on rugs and your furniture is not only dirt. It’s mostly made of
dead
skin cells. Everybody loses millions of skin cells
every day which fall on the floor
and get kicked up to land on all the surfaces
in a room. You could say,
"That’s me all over."
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It takes food seven seconds to go from the mouth to the stomach via the
esophagus.
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A human's small intestine is 6 meters long.
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The human body is 75% water.
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Your blood takes a very long trip through your body. If you could stretch
out all
of a human's blood vessels, they would be about
60,000 miles long. That's
enough to go around the world twice.
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The strongest bone in your body is the femur (thighbone), and it's hollow!
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The width of your armspan stretched out is the length of your whole body.
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The average human dream lasts only 2 to 3 seconds.
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The average American over fifty will have spent 5 years waiting in lines.
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The farthest you can see with the naked eye is 2.4 million light years
away!
(140,000,000,000,000,000,000 miles.) That's the
distance to the giant
Andromeda Galaxy. You can see it easily as a dim,
large gray "cloud"
almost directly overhead in a clear night sky.
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The average person has at least seven dreams a night.
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Your brain is move active and thinks more at night than during the day.
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Your brain is 80% water.
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85% of the population can curl their tongue into a tube.
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Your tongue has 3,000 taste buds.
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Your forearm (from inside of elbow to inside of wrist) is the same length
as your foot.
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A sneeze travels at over 100 miles per hour. Gesundheit!
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Your thigh bone is stronger than concrete.
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Your fingernails grow almost four times as fast as your toenails.
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The longest bout of hiccups lasted 69 years!
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You blink your eyes over 10,000,000 a year.
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