The most complex creation of the universe, of course, remains the human brain. But our heart and circulatory system are no less exciting. BBC Future Correspondent Tells Some Interesting Facts About Them.

The heart pumps a lot of blood. Our heart is a very hardworking organ..

Within five minutes he pumps five liters of blood. In an hour, the heart makes an average of 4200 beats and pumps 300 liters of blood.

Within one year, it pumps enough blood to fill the Olympic pool - more than 2.5 million liters - and makes 38.5 million cuts for this.

Heartbeat affects behavior. When we have to make a difficult decision, we often say that “we made this choice with our heart”.

But did you know that this expression can have a literal meaning? Heart rate affects our feelings, emotions and even intuition - from pain and empathy to another person to the suspicion that your man may change you.

Researcher Agustin Ibanes of the University of Favaloro in Buenos Aires presented a unique opportunity to test this assumption when he met a man with two hearts.

Carlos (male name changed) had another heart, mechanical, located in the chest just below his real heart.. Carlos got a heart transplant that helped his weak heart muscles work.

As a result, Carlos had the feeling that his heart “sank” into his stomach, and this began to amazingly affect his perception of reality and even his mind.

Scientists have found a way to live without blood. What happens when our heart stops? Is it possible to bring a person back to life from the moment of clinical death, when all the basic life functions - heartbeat and brain activity - stopped?

Today, surgeons tried a radically new procedure. They replaced the patient’s blood with saline, thus trying to extend his life.

This experimental study seems to blur the line between life and death.. The patient's body is cooled to about 10-15 C. Since the metabolism in the body has already stopped, blood is not needed in order to supply oxygen to the cells. Replacing blood with cold salt water is the best way to maintain an overall low body temperature..

We still don’t know why we have different blood types. One of the biggest secrets of our circulatory system remains unsolved for more than a century..

We still do not fully know why people have different blood types.. We know that they are determined using various molecules on the surface of red blood cells.. And we recognize the importance of this process, because the enzymes in our body recognize red blood cells precisely because of these molecules.

That is why a person can only receive blood transfusions of the corresponding group - enzymes cannot recognize another group.

But why do we have different blood types? Why didn’t nature make us all have a universal set of molecules in our blood cells

One day we can live with an artificial heart... or a pig’s heart Xenotransplantation - the use of animal tissue in the human body - dates back to at least 1682, when the Dutch surgeon Job Janszon van Meerkeren announced the successful transplantation of a fragment of a dog’s bone into the skull of a Russian soldier.

Now researchers are actively exploring the possibility of transplanting the hearts of other animals, such as pigs, to humans..

Another area of \u200b\u200bresearch is to grow human hearts through tissue engineering..

Some people drink blood, although it does not bring any benefit. Perhaps the most surprising use of blood is its intake, preferably fresh, to alleviate a number of medical complaints..

In different places of the world there are entire communities of people who drink fresh human blood for medicinal purposes.. Doses of the red drink are kindly provided by relatives, friends or volunteers..

These “medical vampires” claim that regular blood intake helps them relieve symptoms such as headache, fatigue, and stomach pain that no other treatment can do..

However, scientists believe that drinking blood is unlikely to have any benefit, and the relief that it brings is actually just a placebo effect.. But the fact that people feel better indicates the powerful effect on the mind of the ritual of human blood consumption..

Source: newsyou. info.

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