10 Amazing But Little Known Facts About the Human Body
The human body is an amazing, living, working, biological and chemical machine, controlled by its own computer, the human brain.
The human body is an amazing thing. It’s structure is made up of 206 bones for an adult body and 300 in an infant. There are 639 skeletal muscles attached to these bones.
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Tongue Tied?
The tongue is the only muscle in the human body that is not attached at both ends.

Photo: Wikipedia Commons
The tongue consists of a group of muscles and most of its surface is covered with taste buds. The tongue is sometimes called the ‘strongest muscle’ in the body but this does not refer to its actual strength. It refers to the strength and power of words.
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Face Lift
The human face has ten different groups of muscles.

Photo: Wikipedia Commons
It takes seventeen muscles to smile and forty-three to frown, but there is disagreement over the total number of muscles in the human face.
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Sneeze Shock
A sneeze can be super fast.

Photo: Wikipedia Commons
Human sneezes have been measured at speeds of more than 160km per hour. A sneeze, or ostentation, is a compulsive expulsion of air from the lungs.
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Water on The Brain
Most of the human brain is made up of water.

Photo: Wikipedia Commons
Approximately 85% of the human brain is made up of water. It contains 100 billion neurons, each of which is connected to 10,000 other neurons. Not even the most powerful of PC’s has as many connections as this ‘human computer’ has.
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Breathe In
The brain uses one quarter of all the oxygen in the body.
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Book ‘Em
Unborn babies have fingerprints.

Photo: Wikipedia Commons and Leonardo da Vinci.
An unborn human baby develops fingerprints at just three months. In 1906 the New York City Police Department first introduced the fingerprinting of criminals.
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Hear Me Out
There is a one millimeter muscle in the ear.

Photo: Wikipedia Commons
The body’s smallest muscle is just one millimetre long and is inside the middle ear. Its purpose is to support one of the tiny bones inside the ear, called the stirrup.
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Blood Service
There are 29 human blood groups.

Photo: Wikipedia Commons
The rarest blood group of all is A-H which is a Bombay type blood sub-group. It is confines to just a handful of families and has been found in Japan where extensive studies have been carried out.
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Strongest Muscle

Photo: Wikipedia Commons
This strongest muscle in the human body is the masseter. It is situated at the back of the jaw. It is the muscle that allows the chewing of food.
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Hardest Part

Photo: Wikipedia Commons
The hardest part of the human body is the enamel that covers the teeth. An adult human has thirty-two teeth and a child has twenty-eight.
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19 Comments
Fun Read!
Now who would have known all that, good read.
Incredible lesson..
Really amazing and interesting.
Very nicely done, louie. No wonder my face is starting to fall down. With so many muscles, at this time in life, they must be getting tired of holding it up.
I try to remember that it takes a lot more muscles to frown than it takes to smile. It doesn’t stop me frowning though…
Fun article louie. Very interesting as well.
Fascinating read. Thanks.
Fun to read, thanks and take care!
Interesting read Louie. And, by the way – with the googlebattle, I tried your name spelled Louis & Louie Jerome and Louie Jerome had like at least double the views than Louis. That’s so wonderful! I’m so happy for you! Much more success, happiness, and joy will continue to come your way!
Best wishes.
Sincerely,
-Liane Schmidt.
Very interesting information, so much I did not know, thanks!
Very interesting. Great research!
fascinating i would never have thought of things like that
This is very fascinating, and i could use this one day. great job.
good. again
y is ur name emily strange? thats just plain stupid. and by the way, jamie, your very funny.
Louie,
Very interesting facts,
but i dont really und-
erstand what you meant
by unborn babies have
fingerprints. if you
get the chance, change
that to have better
results. thank you.
sincerely,
Jaleyna-Rose
Louie,
i totally agree with Jaleyna-Rose, #17. I did
not understand what you meant by the unborn b-
aby part either. otherwise, that was a great
read. I will tell my scientist-acquaintances
and friends to look at this. its very inter-
esting and useful. thank you and have a nice
day.
Sincerely,
Emily Mae
Thank you sooooooooo much i needed a lot of help with my homework!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!