9 facts about the human body that you did not know about!

The left-hander is much stronger when it comes to applying force in the counterclockwise direction. Therefore, it will be much easier for them to open a bank than to right-handers.

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Is ourbodyjust amazing! Every day it performs thousands of functions, most of which we do not notice or even suspect about and existence, but, the nevertheless, they are all very important for the correct functioning of all body systems and, as a result, our well-being. And in today's article we will bring to your attention the nine most interesting facts about ourbody, which you probably did not know.

1. We have exactly the same amount of hair as chimpanzees

On the body of an adult male of medium height, there is the same amount of hair as on the body of a chimpanzee.The main difference is only that human hair is much thinner, since they lost their original protective function. Changes in the hairline on our body are certainly related to evolution and the fact that we wear clothes to protect ourselves from the cold.

2. Why are we covered with goosebumps?

You must have noticed many times how the creepy shivers run through your body or, as it is customary to call this phenomenon, we are covered with goosebumps.Here we are talking about the simplest motor reflex, it was the answer of the human body back in ancient times to the challenge external factors, it was necessary to raise hairs to protect themselves from cold and other dangers, for example, wild animals.After all, with raised hairs our ancestors "increased" in size, and this could scare the enemies! Of course, in modern society this function has remained in the past, and we have much less hair on the body, but the organism continues to react in the same way.

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3. We blink for years?

On average about five years of human life goes to... blinking. As you know, thisthe action is very important for the health of our eyes.So the eyes get the necessary moisturizing and rest, they can not remain open for a long time. That is, blinking is a kind of protective impulse, it works purely reflexively, for example, when an object comes too close to our face.

4. The left-hander is stronger!

As for physical abilities, left-handers are stronger when it comes to applying force in the counter-clockwise direction.That is, the right-hander will be easier, for example, to close the bank, and left-handed - to open it.

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5. Stomach accumulates acid (gastric juice)

Hydrochloric acid accumulates in our stomach.In industry, this type of acid has a strong corrosive effect, and is generally used in metallurgy. But nature has provided everything, and we have protection from the negative effects of this acid - it's the mucous membranestomach. It turns out that there is acid, but there is no harm from it.

6. Our body is a reservoir for bacteria

The human body contains an incredible number of different bacteria. Experts say that they are significantly larger than the cells, in a proportion of about 10 to 1.But, of course, this does not mean that all these bacteria are harmful to our health. Some, on the contrary, are even useful, they help our body maintain all systems in a "working" state.

7. Daytime sleep is good for your health!

Even a 20-minute daytime sleep will help you feel better and will have a positive effect on our health. Such a short-termrest helps improve concentration, raise mood and increase "productivity". However, if the dream lasts longer, then the effect is likely to be reversed: a person can feel tired, "broken" and irritated.

8. We have many dead cells

Every day, our cells "appear" dead cells. It is, for the most part, skin cellsOur largest organ. Their number is such that if you put together all the dead cells accumulated over the year, you will get about 2 kg! It's amazing, is not it?

9. Sensitivity

As is known,the human body has a huge number of nerve endings, through which we can "feel" (feel) literally everything that surrounds us.The most sensitive are the lips and fingers, and the most insensitive part of our body is the middle partbacks.

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