25 Most Amazing Marvels of the Human Body

The female egg is the largest cell in the human body.  The sperm cell is the smallest, ironically.  The female egg is the only cell that the naked eye can see without a microscope.

A fetus’ head is one-quarter of the body’s total length. That’s amazing! We’re glad to find out this fact about the human body.

60,000 miles is the length of the blood vessels:  According to science, the human body has 60,000 miles of blood vessels.  An amazing piece of engineering that can’t be beaten.

The only part of the human body that cannot be repaired is the teeth. That is why you need to take care of them. Remember what your dentist says: Brush three times a day and keep that smile bright and healthy.

The human eyes stay the same size from the time of birth, but the ears and nose never stop growing. What a marvel of the human body!

The brain’s power can be compared to a ten-watt bulb. It operates with the same power as required to run a 10-watt light bulb. Even when you are sleeping. One more thing though, the brain is more active at night than it is at day.

A human’s memory can be affected by the body’s position.  How you hold you body in certain positions can trigger certain memories.  That’s amazing!

The hair on parts of the body is useless and can be removed with little to no side effects.  Just like underarm hair, there are many ways to get rid of it..

Earwax shields the ears; thus, it is important even if we think it’s gross. Without it, bacteria and other intruders can easily get into the ears. Who could have thought that earwax has this good purpose for the body.

The nose can remember up to 50,000 scents, but women identify scent better than their male counterparts do.  So this is perhaps why women love flowers more than men do. We don’t know if that makes sense but just a thought.

Have you ever wondered how some humans can lift cars during a crisis? That’s the power of adrenaline. It gives us super human strength.

Brain neurons aren’t all the same. They are built differently from each other; thus, information also travels along them at varying speeds.

Smarter people have more dreams than anyone else. Someone with a higher IQ can also fight a mental illness better than others do.  Some folks even believe that they make smarter decisions in their dreams than they do when they are awake.

The brain does not feel any pain even though it processes pain signals.  The brain itself is a marvelous thing.  It processes every single function our bodies have. Without it, we would be totally lost.

The focusing muscles found in the eyes move about 100,000 times daily.   And in case you want to a comparison, you would need to walk about 50 miles if you wanted to give your leg muscles the same workout.

In 39 minutes, the human body has the ability to produce enough heat to boil a gallon of water.  That’s another marvel of the human body.

Humans are some of the best long-distance runners compared to many other animals on the planet. Our ancestor unbelievably could run after their prey to the point of it being totally exhausted and eventually dying.

Seven octillion atoms make up an average adult human.  That’s amazing considering the the galaxy has 300 million stars in it.

The lining of the stomach blushes when you do. So now you know.  Whenever your crush is around and you blush, your stomach lining is also blushing.

It takes 43 muscles to frown and only 17 to smile. So smile because it’s easier on your body!

The human skeleton renews itself every 10 years, meaning humans get a new skeleton every decade. Now you know.


The tongue is the strongest muscle in the body, while the hardest bone is the jawbone. Amazing!


Sweat does not smell bad, but the bacteria that feed on it do. The bacterial waste in the sweat are what makes it stinky.

Thousands of bacteria live in a human’s belly button. Enough to form an ecosystem that is the bacterial equivalent to a large rain forest.

Humans are the only animals capable of producing emotional tears. And we don’t wonder why. That’s why there is something called love, sympathy and all the rest of emotions that can make you cry.

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