15 extremely interesting facts about the human body you may not know
Invite you to consult 15 surprising but extremely interesting facts about the human body that you may not know in the article below!
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It seems that all of us also think that we fully understand our bodies. We know how the body works, what changes and processes are taking place in the body. However, in fact the human body is an extremely complex and diverse mechanism of operation .
Each of us is unique - sometimes even more than we think.Although we all have the same body shape and structure, there are some small details that make some of us an X-Man, possessing different physical characteristics and not the same as the majority.
We have found 15 surprising but extremely interesting facts about the human body you may not know yet . Will you know about all this? Invite you to consult!
15. No wisdom teeth
Around the world, about 20% of people do not have wisdom teeth . This partly depends on the origin and group of people. For example, almost 100% of indigenous Mexicans have no wisdom teeth, while most Tasmanian aboriginals have them. The difference related to PAX9 gene ( and perhaps other genes ) also caused this.
14. Turquoise eyes
Many people believe that the blue eye is caused by a mutation in the HERC2 gene that reduces the production of melanin in the iris.Currently only 8% of people in the world have turquoise eyes .
13. Morton-like toes
About 10% of the world's population has a Morton leg structure - that is, the second toe is longer than the big toe. Interestingly, the Statue of Liberty also has this type of toe.
12. Hair swirl counterclockwise
8.4% of people have a counterclockwise curl . However, if you belong to 10% of the population is left-handed, your chances are not as much as 45%.
11. Sneeze when you see the sun
25% of the population has an unusual reaction to sunlight: sneezing . This phenomenon even has its own name: optical sneeze reflex ( photic sneeze reflex ).
10. Horizontal single folds
Horizontal single folds are present in 1.5% of the population ( usually in men ) and are a genetic trait.
9. Light-colored hair
Natural blonde hair rarely occurs in adults, because light hair color usually darkens with age. Percentage of adults with natural light-colored hair ranges from 2% to 16%.
8. Fingerprint
Only 5% of the population has domed fingerprints, 65% have ring-shaped fingerprints, 30% have twisted-shaped fingerprints.
7. Red hair
Red hair is a rarer phenomenon, accounting for only 1-2% of the planet's population. The cause is due to genetic mutations.
6. Curly hair
Only 11% of people have naturally curly hair.
5. Convex navel
Only 10% of adults in the world own protruding navel . Contrary to popular belief, the umbilical shape does not depend on the way of cutting the umbilical cord after birth, which may be due to the healing process afterwards.
4. Mark Х on the hand
The lines forming an X shape on both hands are a very rare phenomenon, considered a sign of a very strong person. Worldwide, only 3% of the population has this characteristic.
3. Hold your hands together
Hold your hands together and observe the position of the thumb. About 50% of people will put their right thumb on their left thumb, 49% do the opposite and only 1% put their thumbs together.
2. Gleeking (the word used to refer to the action of spitting with a tongue)
This strange phenomenon can occur spontaneously while eating, talking or yawning. It is estimated that about 35% of people may accidentally do this, but only less than 1% can take the initiative.
1. The heart is on the right
For every 12,019 people, only one person has a heart on the right side of the chest. This congenital abnormality often does not cause any negative consequences.
See also: 13 crescent-shaped health problems that are trying to alert you
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