Despite the fact that great discoveries have been made in recent years that have allowed us to better understand this perfect machine that is the human body, There are still many secrets that our body hides. Our body is a complex and fascinating structure that throughout history has been the subject of study for different branches of science.
However, despite the fact that every day of our lives we interact with our body, we are still far from knowing everything about it. Not only that, but almost everyone is unaware of most of the mysteries that science has managed to reveal about our body and its operation.
We are so used to living with our body on a daily basis that we rarely stop to think about everything that happens in our body. However, scientists do not stop being fascinated by its secrets. We tell you some of the most surprising curiosities and rarities. You may know some of them, but surely many others will surprise you.
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The thumb of either hand measures the same as the nose of the same body.
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Some people pass out after urinating due to a condition known as vasovagal syncope. It occurs because urination stimulates the vagus nerve, which can cause a drop in blood pressure and, as a result, fainting.
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It is impossible to swallow and breathe at the same time
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Five minutes is the time it takes for the kidneys to filter all the blood in the body.
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A healthy body produces about three grams of IgA antibodies each day.
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In just 30 minutes the human body produces enough heat to boil 4 liters of water.
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A blood cell takes 60 seconds to travel through the entire human body.
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The small intestine measures just over 3 meters while the person is alive. When dying it expands and can reach 7 or even 8 meters in length.
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Despite the eye color of the blood, we see the superficial veins bluish in color due to an optical effect produced by the skin.
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The right lung is slightly larger than the left due to the space occupied by the heart.
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For every new kilogram of fat or muscle, the body creates 10 kilometers of new blood vessels.
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The human body produces 25 million new cells every second.
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The largest cells in the human body are the eggs, while the smallest are the sperm.
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Inside the human navel there are thousands of bacteria that form an ecosystem equivalent to the size of the Amazon.
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Human bones are just as strong as granite. A piece of bone the size of a matchbox can support up to 9 tons of weight.
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The electrical impulses emitted by the human brain are greater in one day than those emitted by all the phones on the planet combined that same day.
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The atoms that make up our body are more than 13,700 million years old since they are the same ones that were formed during the Big Bang.
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When a person blushes, their stomach lining also blushes.
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Human DNA is 50% identical to banana DNA
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The male body makes 10 million sperm each day. With that amount, six months would be enough to repopulate the planet.
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If the human brain were a computer, it could perform 38,000 trillion operations per second.
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The human body has the same amount of hair as chimpanzees. But the vast majority of those hairs are useless and almost invisible.
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Along with the traditional five senses of hearing, sight, touch, smell, and taste, humans also have 15 other senses, including balance, temperature, pain, time, and internal sensations of suffocation, thirst, and and satiety.
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The human body can last 7 days without food but only 2 without water.
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Of the 206 bones of an adult human, 52 are found in the feet.
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Women blink twice as much as men.
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The stomach acids in our stomach are capable of disintegrating a metal blade.
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The tongue is composed of 16 individual muscles.
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No one is capable of committing suicide by holding their breath by themselves.
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The dust that we see against the light due to the glare that enters through the windows is made up of 90% of our dead cells.