Do you have a comprehensive knowledge of your own body? The human body is a remarkable result of evolution and has always been a constant source of fascination for scientists. The reason for this is not a mystery. While we have many common traits with other living organisms, humans display unique attributes and capabilities that no other species in the animal world can match. Our specific and sometimes odd physiological features are a testimony to this. Our individuality is reflected in characteristics such as being the only species that can cry out of emotion or possessing such impressive strength that can even allow us to lift cars.
these are 25 Amazing Human Body Facts You May Not Be Aware Of.
The largest cell in the human body is the female egg and ironically the smallest is the sperm cell. A woman’s egg is actually the only cell in the body that is visible to the naked eye.
Source: sciencedaily.com, Image: en.wikipedia.org
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When we are babies our head is one-quarter of the total length of our body, but by the age of twenty-five will only be one-eighth of its total length. This is because people’s heads grow at a much slower rate than the rest of their bodies.
It is estimated that the human body has about sixty thousand miles of blood vessels.
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Teeth are the only part of the human body that can’t repair themselves.
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Your eyes are always the same size from birth, but your nose and ears never stop growing.
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The brain operates on the same amount of power as a ten-watt lightbulb, even while you are sleeping. In fact, the brain is much more active at night than during the day.
Source: sciencedaily.com, Image: it.wikipedia.org
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A recent study shows that memory can be affected by body position. Apparently, where you are and how you are positioned in your environment can drastically trigger memory.
While facial hair serves some purposes, the hair found on the rest of our body is practically useless and can be removed with few to no side effects.
Source: sciencedaily.com, Image: en.wikipedia.org
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We might consider it gross and clean it out every chance we get but earwax is necessary and serves as a shield for our ears.
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Your nose can remember up to fifty thousand scents. Furthermore, women smell and identify scents better than men.
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Adrenaline gives you super human strength and that’s why in certain situations some people can lift heavy objects (such as cars) that under normal circumstances they can’t.
The neurons in your brain are built differently from one another, and information travels along them at different speeds. This is why we can recall certain information instantly, while other information takes a little longer to retrieve.
Source: sciencedaily.com, Image: en.wikipedia.org
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The smarter a person is the more dreams he or she will have when they sleep. A high IQ can also fight mental illness. Some people even believe they are smarter in their dreams than when they are awake.
The focusing muscles in your eyes move around 100,000 times a day. To give your leg muscles the same workout, you’d need to walk about fifty miles.
Source: sciencedaily.com, Image: en.wikipedia.org
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Within half an hour the human body is capable of producing enough heat to boil a gallon of water.
Source: sciencedaily.com, Image: en.wikipedia.org
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Despite not being the fastest or strongest animals, humans are by far the best long-distance runners on the planet. Actually, what most people ignore is that our progenitors thousands of years ago used to run after their prey until the latter died of exhaustion.
Source: sciencedaily.com, Image: en.wikipedia.org
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An average adult human is made up of about seven octillion atoms. Just to make a comparison, there are about 300 billion stars in our galaxy.
Source: sciencedaily.com, Image: en.wikipedia.org
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When you blush, the lining of your stomach blushes too.
Source: sciencedaily.com, Image: en.wikipedia.org
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It takes seventeen muscles to smile and forty-three to frown.
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Your skeleton keeps renewing itself every ten years, which means that every decade you get a new skeleton.
In case you ever wondered what the strongest muscle in the body is, it is the tongue, while the hardest bone in the body is the jawbone.
Source: sciencedaily.com, Image:flickr.com, Photo by Mark Mitchell
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Contrary to popular belief sweat doesn’t smell bad. Body odor is caused when the skin’s bacteria feed on sweat. So, bacteria’s waste products cause this horrible odor.