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40-unreal-facts-about-your-body

40 UNREAL Facts About Your Body

- The internet is full of videos listing unbelievable
facts about your body, but they're not always based
on the most reputable sources. So I've gone ahead and found
40 facts about your body Fingernails grow twice
as quickly as toenails. Your pinky fingernail grows slower than all of your other nails. Over the course of 10 years, the entire human body will regenerate an entirely new skeleton. Eyelashes take one to two
months to grow to full length. Your body produces a
liter of saliva every day. (Mike gurgling) The smallest bone in
your body is the stapes. It's located inside your ear. You actually have a third
eyelid or what's left of one. The plica semilunaris is
this small, fleshy spot on the inside corner of your
eye, and it's vestigial, meaning that it's leftover
from our ancient ancestors. Many creatures on earth have a
fully functional third eyelid to clean and protect
the eye between blinks. If you laid out your
blood vessels end to end, they will wrap all the way
around the Earth four times. (imitates explosion) The human heart can
actually continue beating on the outside of the body. The heart's internal pacemaker allows it to continue beating
independently from the brain as long as it still has an oxygen supply. The left lung is smaller
than the right lung 'cause the heart's got
to go somewhere, folks. Enamel of human teeth is just as hard as the enamel of shark teeth. The cornea is the only
part of the human body that does not receive
oxygen through the blood. It does so through the air. On average at rest, women's
hearts beat faster than men's. Teeth are the only body part
that cannot heal themselves. The strongest muscle based on
its weight is the masseter. With all the muscles of
the jaw working together to close the teeth, it can do so with a force as greatest
55 pounds on the incisors or 200 pounds on the molars. (grunting) Onions produce the chemical irritant known as syn-Propanethial S-oxide. It stimulates the eyes' lacrimal glands so they release tears. by volume are sperm cells. The largest cell in the
human body is the ovum. Interesting. A teratoma or a dermoid cyst is a tumor that can be made up of
tissue, hair, muscle, and sometimes even grow their own teeth. Women's brains shrink during pregnancy. The human brain contains
100 billion neurons and 10 to 50-fold more glial cells. Stomach acid is one of
the most acidic substances in the world, having a pH of just 1. It's so acidic that it
can dissolve many metals. However, the enzymes in
your stomach are incapable of digesting plastic, so if
you swallow some plastic, it's coming out exactly
the same on the other side. 5 to 15% of the calories
you burn during the day actually come from
digesting the food you eat. Approximately 100 trillion microorganisms, most of them bacteria,
but also viruses, fungi, and protozoa exist in the human GI tract known as the microbiota. Cilia in your nose, those little hairs, actually continue moving up to
about 20 hours after you die. Oh, oh. Whoa! Women's noses have up to 50%
more neurons than men's noses, giving them a better sense of smell. You know your five senses: sight, taste, touch, sound, smell, but did you know that
you actually have more? Proprioception is your body's
sense of where it is in space. So just knowing where your body parts are without actually having to see them. Equilibrioception is our sense of balance. Thermoception is our sense of determining what the temperature is outside. Nociception is our ability to feel pain. Chronoception is how we
sense the passing of time. And while we may have
more than five senses, there are actually sense
found in the animal kingdom that our bodies don't have. The largest muscle in your
body is the gluteus maximus, AKA, your booty. Aquagenic urticaria is a rare condition in which urticaria, AKA hives, develop rapidly after the skin
comes in contact with water regardless of its temperature. There is no cure. There are treatments though. Those who exercise regularly
actually sweat sooner and more often than those who don't. You can't actually see your taste buds. Those bumps all over your tongue are actually called lingual papillae, and there are four kinds: circumvallate, fungiform,
filiform, and foliate. They all contain your taste buds except for the filiform papillae which is responsible for
your tongue's sense of touch. (Mike slurping) There are many theories for
what causes a brain freeze or sphenopalatine ganglioneuralgia and why we feel that harsh pain when we bite into something cold, but there is still no official consensus. What's the deal with that? Congenital insensitivity to pain, or CIP, is an extremely rare condition where human beings
actually do not experience the physical sensation of pain. While it may sound like
a blessing at first, it's actually a curse because these people never know when their body's actually in harms way. Think about touching a hot stove. Our body's system of balance
is determined inside our ears where three small canals
containing tiny hair cells move when liquid sloshes back and forth, back and forth, back and forth, back and forth, back and forth. I'm getting dizzy. Your tongue has a print on
it just like your fingertips. And like your fingertip,
your tongue print is unique. In the future, it could be used as a way to unlock your phone. A stickier, grosser way,
but certainly a way. Demodex are small species of mites that live on your eyelashes, sometimes even being
responsible for your acne. Another vestigial reaction
our body has is goosebumps, which raise the hair on your body. This doesn't do much for us humans today, but millions of years ago when our ancestors had much
more hair on their bodies, it was used to make us warm and to make us actually look bigger to scare off impending predators. (groans) The pinky finger and its associated muscles
are actually responsible for 50% of your hand's
strength. (grunting) (metal squeaking) Your liver might not be something
you think about very often but it's putting in more
work than you realize. Your liver is actually responsible for upwards of 500 individual functions, including production of
bile and cholesterol, cleaning your blood,
and metabolizing toxins. You don't need a juice cleanse, you just kinda need a liver. Now check out a video
with 50 facts about me. I can personally verify
they are all very true. Facts. Fax, no printer.

Dr.

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