11 Interesting Facts About Human Blood

The systems and organs of our body form fluids and tissues. One of the most important is the cardiovascular system. In particular, blood vessels "carry" blood that nourishes organs and tissues. This ensures the full functioning of our body.

Therefore, blood, – it is a very precious liquid endowed with vital functions. Еstet-portal.com offers to pay attention to the most interesting and little-known facts about human blood. For example, few people know that a person is able to live without a pulse with the help of a special device that pumps blood.

Amazing facts about the main fluid of our body

1. The length of the blood vessels of the human body – about 100 thousand km. This is more than enough to wrap them around our planet twice.
2. Blood plasma is 90% water and only the remaining 10% – these are organic and mineral substances dissolved in it: salts, glucose, all kinds of enzymes, etc.
3. Humanity has known for a long time that the shades of blood, its saturation and even composition can be different for different people. But 4 known today blood groups "revealed" Austrian scientist Karl Landsteiner world only in 1930. For this sensational discovery, he was rightfully awarded the Nobel Prize. Ten years later, he, together with other scientists, discovered the Rh factor.
4. There is an opinion that the presence of a particular blood type in a person affects his character, temperament (and to a certain extent – taste preferences). On this account, there is even a peculiar alignment, according to which a certain character corresponds to each blood type. Given this, the inhabitants of Japan, for example, have developed a very special attitude towards the unique fluid of our body. In particular, when taking a person to work, they take into account what type of blood he has. And the applicant can easily be refused if the blood type is not “right”, and some traits of his character can interfere with production success.
5. One more curious circumstance is connected with the blood type.

Probably, each of us noticed that mosquitoes do not touch some people at all, while others are downright "jammed". This is due to the fact that insects that annoy us in the summer prefer closer "communication"; with the owners of the first blood group.

6. The entire human body is supplied with blood completely, with the exception of only one unique area – cornea of ​​the eye. Her cells are enriched with oxygen due to tears, in which oxygen obtained from the air is dissolved. The lack of blood supply explains the perfect transparency of this part of the eyeball.
7. Man is capable of living without a pulse. This is possible if you replace the heart with a machine that pumps blood.
8. And without resorting to the help of the lungs, it is possible to saturate the blood with oxygen also thanks to a special honey. equipment – pressure chamber.
9. Medicine actively uses plasma substitutes when it becomes necessary to restore the volume of circulating blood, for example, in case of burns or injuries.

Among other things, scientists have recently found that the already known number of plasma substitutes can include a liquid identical to the composition of blood, which is inside unripe coconuts.

10. Does the rather popular saying "blue blood" have a right to exist and is supported by evidence? How and when did it appear? There are several versions of this. The main one sends us to Spain in the 18th century. In those days, pale skin was a sign that its owners had aristocratic roots. However, no real confirmation of the existence of blue blood cells has ever been given.
11. And a little about the unpleasant. Everyone knows what color pus is. How does this white liquid come about? The fact is that blood serves our body as a protective barrier against diseases, providing immunity to foreign bodies. Well, pus is made up of white blood cells that have died staunchly fighting infection.

Our body is full of secrets. But many of them have already been solved, and scientists provide us with an excellent opportunity to find out how we are "arranged." Get to know yourself with estet-portal.com.