22 Wild Facts About The Human Body That Are Actually Really, Really Fascinating

The human physique is a mysterious factor. And lately, when redditor u/Hot_Banana_Ice-cream requested the web, “What is a creepy truth concerning the human physique?” I discovered wayyyyy extra concerning the human physique than I anticipated. Some are a bit TMI, however I’m nonetheless mind-blown.

Here are among the most surprising — and interesting — responses:

1.“If you attempt on these specialty glasses that vertically invert your imaginative and prescient so all the pieces is the wrong way up, your mind will finally regulate to it, and issues will look ‘regular.’ But while you take these glasses off, all the pieces will nonetheless seem the wrong way up till your mind recalibrates once more.”


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2.“Bodies will transfer as they’re popping out of rigor. I’ve been bumped by a number of (I’m a coroner). Bodies can even make sounds because the remaining air/fuel leaves…2 am within the morgue, and I assumed I used to be in Call of Duty: World At War — Zombies.”


A body laying on a table

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3.“Your rectum is lined by cells just like these inside your mouth.”


Closeup of someone's mouth

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4.“Our mind filters out lots of what we see, together with simply straight making issues up primarily based on extrapolation.”


Closeup of Steve Harvey


5.“We do not simply have one anal sphincter. When poo comes alongside, it passes one other interior sphincter which is not beneath voluntary management. Meaning you are able to do oOoOoO along with your outer sphincter, however not the interior one. (You tried, that is okay.) Sensory cells can detect whether or not you are about to cross fuel or strong. From toddler age on, you’ll be able to resolve to go or to not go. If the time is not proper (eg at a good friend’s home or no bathroom close by ), the interior sphincter can push the poo again and retailer it there for later. That’s why generally if it’s essential do a quantity two however do not go, the urge goes away after about 20 minutes later. (But significantly, go if you happen to can. Constipation danger.)”


Someone is flushing a toilet

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6.“The entrance of your tongue is curious, continuously patrolling, and autonomous. It chases the dentist round your mouth and you are not even conscious of it. So embarrassing and bizarre/creepy.”


“In dental faculty, I discovered this truth when working towards taking impressions on one another. My buddy’s tongue stored licking my finger. I requested him to stop licking me, and he was like, ‘I am unable to assist it!’ And then, we switched locations, and my tongue would not depart him alone. And for these of you that do not assume your tongue does this: Some of you might be proper. But the vast majority of you simply assume your tongue is behaving, however it’s in all places with out you even realizing.”


A dentist inspecting someone's mouth

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7.“When you get laser tattoo removing, the ink would not disappear — you pee it out (it will also be discarded via your poop or sweat). Your physique’s immune system breaks down the pigments of ink, and it flows in your blood stream , will get processed via your kidneys, then you definitely pee out the ink.”


A tattoo removed

Andreypopov / Getty Images / iStockphoto

8.“My favourite truth is that each your eyes have a blind spot, the place the optic nerve is. Lots of people do not even realize it exists, and even when they do, it’s larger than folks usually assume. And it is also very easy to display to folks if you understand how. It’s one in all my favourite bar methods: All you want is a pen and a serviette to attract a cross and a dot. Here’s an alternate demo.”

“If it would not work, you are doing one thing incorrect: not getting shut sufficient, the picture is simply too small in your cellphone, you are not closing the proper eye, or not conserving your gaze fastened on the cross. It is not ‘t as a result of you do not have a blind spot.”


Raven with surprised eyes

Disney Channel

9.“Sometimes, there are simply random further muscular tissues. You can go your total life with out even realizing it. I’ve labored as a mortician, and the medical experts would inform me about some instances like this. Also, there will be random tumors, even when the person had by no means been identified. Finally, pores and skin feels like plastic wrap when peeled from the physique.”


Arrow pointing to a growth in someone's forearm




11.“A pregnant corpse will construct up sufficient fuel to expel the fetus even after dying. Look up ‘coffin start.'”


A coffin

Kzenon / Getty Images / iStockphoto

12.“We ate our personal hair (referred to as lanugo) whereas contained in the womb. According to Ovia Health: Fetuses ‘eat the lanugo that they shed whereas within the womb, and it builds up inside them to kind the substance that makes up their first poop, referred to as meconium.'”


Drew Barrymore eating pizza


13.“The mind will all the time/often attempt to make sure its survival; if knocking you out does so, then you’ll faint for the protection of the mind.”


A man laying on the floor

Rainer Fuhrmann/Getty Images/EyeEm

14.“In actually unhealthy instances of endometriosis, endometrial-like tissue can develop all through the physique, just like the bladder, intestines, close to the chest — and even within the mind in uncommon instances. It’s extremely painful, because it nonetheless tries to ‘shed’ like a traditional interval however has nowhere to go. Endometriosis can solely be confirmed by way of surgical procedure, because it would not present up on most ultrasounds/MRI scans.”


    Athima Tongloom / Getty Images

Athima Tongloom / Getty Images

15.“Biologist right here. When it involves sunburn, the scary factor about UV harm is that it isn’t minor radiation harm. It is actually robust sufficient to trigger double stranded DNA breaks. Broken genes that may result in most cancers are largely as a result of the physique fails to restore DNA harm (which is immediately correlated to repeat errors that find yourself occurring in mitosis consequently). Well, double breaks like this are the toughest to restore. UV harm is not any joke. It may also age your pores and skin earlier, too. “


Someone with sunburn

Peter Cade/Getty Images

16.“The intestines are lined by a double ‘fleece’ of peritoneum. Think of it like a blanket. When your intestines get broken for no matter motive, this blanket begins shifting out of itself and crawling upwards in direction of the place that has the damage. It will keep there till the damage is recovered, after which it can transfer on once more.”


Megan Thee Stallion looking shocked


17.“Human beings are a cesspool of micro organism, and while you die, your physique eats itself from the within out.”


“There’s extra micro organism than human cells in our our bodies.”


Heidi Klum saying,



“I’ve had two of these! The one I had eliminated after I was 18 was full of various bits of bone, hair, enamel, and when it grew again after I was 29, it was half hair, half sebum.”


Doctors operating on a patient

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19.“There is a fantasy that your fingernails proceed to develop after dying, which is meant to clarify why useless our bodies usually seem to have lengthy nails. The reality is that the gentle tissues within the fingers and palms are likely to contract as they lose moisture, resulting in the look of rising nails.”


    Elizabeth Fernandez/Getty Images

Elizabeth Fernandez/Getty Images

20.“Food that was consumed can generally take as much as 5 days to completely cross via your intestines into your colon. So, when folks say that you’re filled with sh*t, they ain’t mendacity.”


People eating pizza

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21.“One factor that spun me out was listening to about fallopian tubes after a good friend went via emergency surgical procedure. Fallopian tubes are cell and lively components of your reproductive tract. When one tube is not there or is ‘damaged,’ the opposite tube can really transfer over to the alternative ovary and ‘choose up’ an accessible egg.”


Oprah looked shocked


And lastly…

22.“Human pores and skin is overlaid with a sample referred to as Blaschko strains, that are stripes protecting the physique from head to toe. The stripes run up and down your legs and arms and hug your torso. They wrap across the again of your head like a hood and throughout your face. You simply cannot see them.”




WOW. Which truth stunned you essentially the most? What are another “creepy” issues concerning the human physique most individuals do not know? Let us know within the feedback under!

Note: Some responses have been edited for size and/or readability.

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