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22 Really Surprising Facts About The Human Body

Our body is truly amazing, and we should know about it. Get to know the most interesting things about the human body. Check out these 22 really surprising facts about the human body.

1. Newborn babies are actually born with over 90 more bones than they’ll have as adults. Many bones grow together as babies become older.


Source: Ask Biologist

2. The human embryo’s first development is the anus, so you might say we’re all a bunch of buttholes from the start.

butts butts everywhere

Source: Berkley

3. You are shorter when you go to bed than you are when you wake up.


Source: About Health

4. And, starting at around age 30, you lose about half an inch in height every ten years.


Source: Dailymail

5. There is a type of tumor that can grow teeth and hair.

Dermoid cyst

Source: Wikipedia

6. Your heart can keep beating outside of your body.

TransMedics keeps donor hearts beating en route to transplant patients.

beating heart

Source: Aljazeera

7. Your heart pumps with enough pressure to squirt blood 30 feet across a room.

Source: ABC News

8. There are mites called Demodex living in your eyelashes. They embed their heads into your hair follicles.


Source: Wikipedia

9. The number of bacteria in your mouth can easily exceed the number of people who live on Earth (more than 6 billion).

Source: Harvard

10. If you took all of the blood vessels out (veins, arteries, and capillaries) of an average child and laid them out in one line,the line could circle the globe more than twice.

The line would be over 60,000 miles long! An adult’s vessels would be closer to 100,000 miles long!

Source: The Franklin Institute

11. Humans are bioluminescent. In short, we glow. But the light is too weak to be seen by the human eye.

The brightest light is emitted from the cheeks, forehead and neck.

glowing hands

Source: The Guardian

12. Pregnant women’s brains shrink during pregnancy and take six months post-delivery to get back to its previous size.

wait what

Source: National Center for Biotechnology Information

13. Tears have different compositions depending on the reasons they are shed – like, from sadness, or happiness, or an onion.

nicolas cage crying

Source: Smithsonian

14. Some people dream only in black and white.

In the 1940s, studies showed that 75% of Americans reported “rarely” or “never” seeing any color in their dreams. Experts say it has to do with growing up with black and white TV. These days, that number is down to 12%.

bw bubble gum

Source: NYTimes

15. You will lose about half of your taste buds by age 60.

so good

Source: Read all about it

16. Humans have ten times more bacteria than human cells.

Changes in these microbial communities may be responsible for digestive disorders, skin diseases, gum disease and even obesity.

Credit: Rocky Mountain Laboratories,NIAID,NIH Color-enhanced scanning electron micrograph showing Salmonella typhimurium (red) invading cultured human cells.

Credit: Rocky Mountain Laboratories,NIAID,NIH
Color-enhanced scanning electron micrograph showing Salmonella typhimurium (red) invading cultured human cells.

Source: ScienceDaily

17. In rare cases, people who have sustained injuries to their right anterior cerebral hemisphere will develop “Gourmand syndrome”: an eating disorder in which the person becomes obsessed with eating and thinking about fine foods.

pulp fiction gourmet shit

Source: Neurology

18. People with Exploding Head Syndrome will hear a loud bang in their heads, like a bomb exploding, right as they’re falling asleep.


Source: ASA

19. Heartbreak is more than a metaphor. Broken Heart Syndrome mimics a heart attack and is spurred by stressful or tragic situations.

friends phoebe

Source: MayoClinic

20. When you blush, the lining of your stomach also turns red.


Source: TheStar

21. Kissing fights cavities.


Source: CNN

22. Humans, like all mammals, have a “diving reflex” which instinctively shuts down certain parts of the body to conserve energy when submerged in cold water.

Other mammals use it for hunting or diving, but we use it to survive in near-drowning scenarios.


Source: Dartmouth

Did you like this article? Share your thoughts below and check out 36 Facts That Prove “Breaking Bad” Is The Cleverest TV Show.

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1 Comment on "22 Really Surprising Facts About The Human Body"

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Lanell Roussel

Youre so cool! I dont suppose Ive read anything like this before.


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Geralt Nowak

There will be something about me. I'm too lazy now.

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