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Our favorite body
Bashny.Net
The human body - the most familiar thing in the world for each of us, however, it remains one of the most mysterious organisms. Even today, taking into account all of the medical and scientific advances that have given us a deep knowledge of our physical bodies, many experts are still puzzled by aspects of our body - how they work and why.
1. We can see at a distance of 48 kilometers
Our eyes never be as watchful as an eagle. Nevertheless, the human eye is so sensitive that if the Earth were completely flat, we could clearly see the flickering candles at a distance of 48 kilometers from us.
2. Our nerve impulses travel at 402 kilometers per hour
The sensation of pain, in fact, comes instantly when you touch something hot or puncture needle. Thanks to our highly developed nervous system, we can respond in less than a millisecond on the things that we should stay away. Nerve impulses are so rapid that the electrical signals that are responsible for sensation, travel to the brain and from the brain of an average speed of 402 kilometers per hour.
3. In our navel there is a whole ecosystem
We can not see them, but the human body contains trillions of tiny organisms such as bacteria, millions of whom live inside the belly button. Relatively speaking, only one man has the navel so many bacteria that they could form the ecosystem of the size of a tropical forest.
4. The human body has more atoms than the stars in the universe
All matter is composed of molecules and molecules are made of atoms. Adult man is composed of 7 octillion atoms (7 with 27 zeros after). This is more than twice the number of known stars in the universe.
5. Our bones are the same, hard as granite
We may think that human bones are fragile. However, the bone is as strong as granite. Just one area of bone, about the size of a matchbox can support the weight of 8 tons.
6. We share DNA with fruit
You've probably already heard that people differ from chimpanzees by only one chromosome. DNA is so precise that the slightest change can turn you into a whole new look. As it turns out, people share 50 percent of their DNA with the normal, ordinary and delicious banana.
7. Our cells never cease to play
Cells are the building blocks of the body. Every second, the human body produces 25 million new cells. For comparison, every 13 seconds the cells produced more than US population.
8. We will glow in the dark
How deep creature, people are naturally bioluminescent and we glow in the dark. Nevertheless, the light that we emit incredibly weak. He is so weak that our human eyes can not discern it.
9. Our skin never ceases to grow
Given that every second time we produce 25 million new cells, we have a new skin layers. During his life, people lose up to 18 pounds of skin.
10. Most of our cells are not human
Of the billions of cells constituting the human body is only about 10 per cent actually "human." The other 90 percent consists of various fungi and bacteria.
11. We have more than five senses
Humans have five basic senses. We also have over 10 other important senses, such as balance, temperature, pain, and time. We have an internal sense of thirst and fullness. Unfortunately, we still can not see dead people.
12. We have 1609 kilometers of the capillaries in the lungs
If you stretched 300 million capillaries in their lungs from beginning to end, the line would have stretched from Seattle to San Diego or about 1609 kilometers.
13. Our tears are aware of our emotions
People are made differently structured tears depending on the reason for which we cry. Emotions such as grief, guilt, sadness or happiness lead to a radical change of the molecular structure of tears. Like a snowflake, no tear is not similar to another on a molecular level.
14. Our brain does not feel pain
The brain can perceive and process the feelings of pain coming from other parts of the body. Nevertheless, the brain itself is not capable of feeling pain. In the brain there are no pain receptors in your hands, feet or other body parts.
15. Our brain is mostly composed of water
In our brain tissue and less flesh than the liquid. Our brain is 80 percent water. In fact, a large part of the human body is water.
16. We are fully covered with hair
In nature there is no such thing as a bald man. Each person, including women, the same amount of hair per square centimeter of the body, like a chimpanzee. The hairs are so short, light and thin that most of them are almost impossible to see with the naked eye.
17. Our hearts are stronger than any other muscle in our body
The human heart must be strong enough to pump blood at every vein in your body 24 hours a day, 7 days a week. It is so strong that it can generate enough pressure to splash the blood by up to 9 meters.
18. Our Chikhi strong winds
Sneezing performs a practical function. It clears the nasal cavity and throat of any congestion. Power sneezing so great that exceeds the speed of 160 kilometers per hour.
20. Our growth changes every day, with several times
The human body grows at night. Like that. People 1 centimeter higher in the morning than in the evening. During the day the discs in the back begin to shrink, and our body becomes shorter.
Also:
1. We can see at a distance of 48 kilometers
Our eyes never be as watchful as an eagle. Nevertheless, the human eye is so sensitive that if the Earth were completely flat, we could clearly see the flickering candles at a distance of 48 kilometers from us.
2. Our nerve impulses travel at 402 kilometers per hour
The sensation of pain, in fact, comes instantly when you touch something hot or puncture needle. Thanks to our highly developed nervous system, we can respond in less than a millisecond on the things that we should stay away. Nerve impulses are so rapid that the electrical signals that are responsible for sensation, travel to the brain and from the brain of an average speed of 402 kilometers per hour.
3. In our navel there is a whole ecosystem
We can not see them, but the human body contains trillions of tiny organisms such as bacteria, millions of whom live inside the belly button. Relatively speaking, only one man has the navel so many bacteria that they could form the ecosystem of the size of a tropical forest.
4. The human body has more atoms than the stars in the universe
All matter is composed of molecules and molecules are made of atoms. Adult man is composed of 7 octillion atoms (7 with 27 zeros after). This is more than twice the number of known stars in the universe.
5. Our bones are the same, hard as granite
We may think that human bones are fragile. However, the bone is as strong as granite. Just one area of bone, about the size of a matchbox can support the weight of 8 tons.
6. We share DNA with fruit
You've probably already heard that people differ from chimpanzees by only one chromosome. DNA is so precise that the slightest change can turn you into a whole new look. As it turns out, people share 50 percent of their DNA with the normal, ordinary and delicious banana.
7. Our cells never cease to play
Cells are the building blocks of the body. Every second, the human body produces 25 million new cells. For comparison, every 13 seconds the cells produced more than US population.
8. We will glow in the dark
How deep creature, people are naturally bioluminescent and we glow in the dark. Nevertheless, the light that we emit incredibly weak. He is so weak that our human eyes can not discern it.
9. Our skin never ceases to grow
Given that every second time we produce 25 million new cells, we have a new skin layers. During his life, people lose up to 18 pounds of skin.
10. Most of our cells are not human
Of the billions of cells constituting the human body is only about 10 per cent actually "human." The other 90 percent consists of various fungi and bacteria.
11. We have more than five senses
Humans have five basic senses. We also have over 10 other important senses, such as balance, temperature, pain, and time. We have an internal sense of thirst and fullness. Unfortunately, we still can not see dead people.
12. We have 1609 kilometers of the capillaries in the lungs
If you stretched 300 million capillaries in their lungs from beginning to end, the line would have stretched from Seattle to San Diego or about 1609 kilometers.
13. Our tears are aware of our emotions
People are made differently structured tears depending on the reason for which we cry. Emotions such as grief, guilt, sadness or happiness lead to a radical change of the molecular structure of tears. Like a snowflake, no tear is not similar to another on a molecular level.
14. Our brain does not feel pain
The brain can perceive and process the feelings of pain coming from other parts of the body. Nevertheless, the brain itself is not capable of feeling pain. In the brain there are no pain receptors in your hands, feet or other body parts.
15. Our brain is mostly composed of water
In our brain tissue and less flesh than the liquid. Our brain is 80 percent water. In fact, a large part of the human body is water.
16. We are fully covered with hair
In nature there is no such thing as a bald man. Each person, including women, the same amount of hair per square centimeter of the body, like a chimpanzee. The hairs are so short, light and thin that most of them are almost impossible to see with the naked eye.
17. Our hearts are stronger than any other muscle in our body
The human heart must be strong enough to pump blood at every vein in your body 24 hours a day, 7 days a week. It is so strong that it can generate enough pressure to splash the blood by up to 9 meters.
18. Our Chikhi strong winds
Sneezing performs a practical function. It clears the nasal cavity and throat of any congestion. Power sneezing so great that exceeds the speed of 160 kilometers per hour.
20. Our growth changes every day, with several times
The human body grows at night. Like that. People 1 centimeter higher in the morning than in the evening. During the day the discs in the back begin to shrink, and our body becomes shorter.
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