#65+ Body
Facts I Had to Read Twice to Believe.
So have you ever wondered how many atoms there are in your
body and why do your veins look blue instead of red. well let's poke around the
human body and see what's going on.
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| Fact's. |
*Goosebumps are an evolutionary reflex leftover from our
ancestors. the release of adrenaline made their hair stand up and they look
scarier to approaching predators.
*The beating sound your heart makes is the clap of valve
leaflets opening and closing.
*Your heart doesn't replicate itself unless you have an
injury.
*Your corneas are the only parts of your body that don't get the blood they get oxygen directly through the air.
*The human brain has 100 billion neurons give or take. the
vessels in your body are long enough to circle the Earth twice or more.
*The idea that we use only 10% of our brains is a myth at any
given time you use almost 100% otherwise, you wouldn't be able to perform simple
tasks like drinking a cup of coffee.
*When ancient Romans flex their biceps they thought their
muscles look like mice this way the word muscle translates as little mouse and
Latin.
*Your left lung is smaller than the right one because it
shares space with your heart.
*Experts used to think that we can only distinguish 10,000
smells, in fact, a recent study found human beings can recognize one trillion
smells.
*More than 70% of your brain consists of water and it needs
20 % of your body's oxygen supply.
*There are around 700 different species of bacteria in your
mouth over 6 billion of them live there.
Your skin is your largest organ it can cover the surface
area of two bath towels.
*For every pound of fat you gain you generate one mile of new
blood vessels to supply oxygen and nutrients to your body. your stomach
produces a new lining every six days to avoid digesting itself.
*The membrane's blood vessels and muscles surrounding your
brain has pain receptors but your brain doesn't that's why you don't get brain
aches.
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| Fody fact's. |
*Teeth are considered part of your skeleton but they don't
count as bones.
*Nerve cells transmit one thousand nerve impulses a second
they travel at 1 to 268 miles per hour.
*Our DNA contains 100,000 viruses scientists have discovered
one that goes back 100 million years.
*If you type 60 words per minute for eight hours a day it
would take you 50 years to type the human genome.
*The biggest molecule in the human body is the chromosome 1 a human cell has 23 chromosome pairs and each chromosome one is made of 10
billion atoms.
*You inhale 25 sextillion molecules in just one breath as 25
followed by a 2104 keeping score.
*You have a leaf-shaped flap at the top of your larynx which
shuts every time you swallow to prevent food from getting into your lungs.
*The idea that the tongue has flavor zones is a myth all
tastebuds can detect five tastes but some receptors are more responsive than
others.
*The enamel of our teeth is the hardest substance in the
human body 96% of it consists of minerals.
*Humans get only two sets of teeth across their whole
lifetime but crocodiles replace their teeth more than forty-five times.
*Your nose gets runny ER when you have the flu because it
produces excess mucus to get rid of microbes invading your body.
*Your sense of smell is the only one that goes directly to
the part of the brain that controls your emotions and memories.
*The bumps on your tongue don't taste buds they're mushroom
shaped bulbs each of them has up to five taste buds with 100 taste receptor
cells each.
*Your pancreas contains taste receptor cells that allow it to
detect not only sugar but artificial sweeteners too it. uses the taste data to
balance out hormones.
*The most abundant element in the human body is oxygen as 65%
but it also contains lithium cobalt gold and uranium the rarest one of all is
radium to give you that glow I assume.
*You swallow 600 times a day once every minute when you're
awake and around 3 times per hour while sleeping.
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| interesting facts. |
*Human beings are the only animals that willingly delay sleep
so put your phone away.
*The average person has 10,000 taste buds but as they get
older some taste cells are not replaced an older person may have just 5000
working buds.
*You have 5,000,000 hair follicles on your body and only 100,000
of them are on your head.
*Hair grows half an inch every month so a 70-year-old person
that never got a haircut would have hair as long as a telephone pole.
*Your eyes get their color from a pigment called melanin
brown-eyed people to have more melanin than those with green eyes. which reminds
me people with blue eyes have completely colorless eye tissue. they get their color
the same way water and the sky get their shades of blue.
*The average lifespan of one eyebrow hair is 4 months.
*The body of a 110-pound person contains 40 tablespoons of
salt.
*Less than 1% of the population is born with our hearts on
the right side of the chest instead of the left.
*You blink 15 to 20 times per minute and your eyes have the
fastest muscle group in your entire body but when staring at a computer screen
your blink rate goes down to five times a minute.
*The blood in your body travels four miles per hour and it
reaches your brain in just a few seconds.
*You have around 3 million sweat glands in your body many of
them are on the soles of your feet and on your palms, forehead, armpits and
cheeks.
*If you walked 2 miles per hour you'd have to walk for 20
hours straight to lose one pound. if you walk 2 miles per hour non-stop it
would take you 518 days and eight hours to circle the equator.
*Earwax isn't actually wax it contains fat skin cells sweat
and dirt aren't you glad you asked.
*Embryos develop fingerprints at three months.
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| Body knowledge. |
*Sunburn is the result of radiation exposure when your body's
natural defense mechanism gets overwhelmed trying to fight UV rays a toxic the reaction occurs that results in sunburn.
*You get red eyes and photos because when the camera flash
goes off your pupils don't have enough time to construct a large burst of light
reaches your retina and it bounces back.
*The earliest known person to have had blue eyes lived in the
Stone Age 7,000 years ago.
Contrary to popular belief contact lenses can't get lost
behind your eye.
*Your teeth begin to form before you're born but don't come
out until you're 6 to 12 months old.
*Left-handed people usually prefer to chew on the left side
and right-handed people well duh they chew on the other side.
*Even if your fingerprints are damaged they'll go back in the
same unique pattern.
*There's a name for the growling sound my stomach makes when
I'm hungry it's called borborygmi which i think is Latin for hey dude can I get
some food over here.
*Vanes look blue because light has to go through layers of
skin and fat to reach them your skin scatters a lot of the red portion of white
light before it reflects the blood this leaves only the blue light to bounce
back to your eyes.
*A person who has amnesia is unable to detect smells but
phantosmia is when a person smells an odor that isn't actually there.
*Your fingernails grow twice as fast as your toenails it
would take fifteen and a half months for your toenails to grow one inch but
only seven months for your fingernails to get this long.
*The outer layer of your skin is thicker on your feet than
other parts of your body.
*The heart has its own electrical system and can continue
beating even when it's disconnected from the body we won't go into how that can
happen but trust me.
* When breathing a
single lung only uses five percent of the oxygen you've inhaled.
*Your right kidney is probably smaller and sits lower down
than your left kidney to make room for your lover I mean liver.
*A 150-pound person's body is made up of seven octillion
atoms how many zeros anyone Bueller Bueller yep 27.
*It takes six to eight hours for food to travel through your
stomach and small intestine that's because your body is trying to absorb all
its nutrients.
*Food doesn't need gravity to get to your stomach your
muscles constrict and relax to push it down kind of like a boa constrictor.
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