Interesting things about human blood. Facts You May Not Know About Human Blood

If you want to learn as much information as possible about your body, pay attention to the most interesting facts about human blood:

1. Blood content is about 5-8% of a person's body weight. For a child specific gravity its content increases to 9-10%.
2. Scientists have proven that the heart of a healthy adult can pump up to 12 liters daily, and each heart beat contributes to the release of an average of 130 ml.

   

3. Humanity has known for quite a long time that the composition of blood, the saturation of its shade in different people may vary. But The four currently known blood types were only discovered in 1930 by Karl Landsteiner. He was awarded the Nobel Prize for his revolutionary research. And already in 1940, he discovered the Rh factor together with other equally famous and outstanding scientists of that time.

   

4. Japanese scientists have discovered a certain relationship between a person’s blood type and his character. Strength of character, enterprise and self-confidence are inherent in the owners of the first group, secrecy and isolation - in the second, sharpness of mind and decency - in the third, and sedateness and poise - in the fourth. The Japanese are so confident in the objectivity and truth of this information that when hiring a person, they also take into account a person’s blood type, and may even refuse him if some character traits interfere with his production success.

   

5. The rich red tint of blood is due to its content huge amount red blood cells. They acquire a similar color from hemoglobin. Hemoglobin enriches the blood with iron, is a source of protein, and supplies the body with oxygen and gases.

   

6. Is there a place for the statement “ blue blood» ? The story of its appearance has several versions. The main one dates back to Spain, the 18th century, when pale and translucent skin was a sign of belonging to an aristocratic family. In fact, no evidence of the real existence of blue blood cells has been discovered to date.

   

7. 74-year-old Australian resident James Harrison became a donor about a thousand times throughout his life, for which he received the title of honorary donor. His blood is enriched with special antibodies that help fight severe forms of anemia in newborns. According to experts, the donor helped save the lives of more than 2,000 newborns.

   

8. In a relaxed state, 25% of the blood moves through muscle tissue and kidneys, 15% is found in the intestinal walls, 13% in blood vessels, 10% in the liver, 7% in the cerebral cortex and 4% in cardiac and venous vessels.

   

9. Every hour at healthy person about 5 billion leukocytes, 2 billion platelets and 1 billion red blood cells die. To replace them, the bone marrow and spleen produce new cells. Thus, about 30 g of blood is renewed every day due to this. The process is regular and continuous, which ultimately allows the body to work like a clock.

   

10. Achieve normal functioning the body of an adult is possible only if the blood is supplied by the heart in a continuous flow, and not in pulsating impulses.

    

11. The cornea of ​​the eye is the only area human body devoid of a circulatory system. In order to maintain the transparency of the cornea, it is enriched with oxygen not through blood cells, but through tears, in which oxygen obtained from the air dissolves.

    

12. More recently, scientists have been able to establish the identity of the composition of the blood and liquid contained inside unripe coconuts. and only the remaining 10% is filled with salts, lipids, glucose, hormones and all kinds of enzymes.

    

21.03.2016

The human body consists of tissues and fluids that form various systems and organs. The cardiovascular system considered one of the most important in the body. It is through the blood vessels that blood flows, providing nutrition and vital activity to all tissues and organs. This liquid performs vitally important functions and there are many interesting facts about human blood and its circulatory system, including little known ones.

1. About 10 thousand liters of blood are pumped daily by the human heart.
2. Blood cells are constantly renewed. In an hour, about 1 billion red blood cells, 2 billion platelets and 5 billion white blood cells die. They are replaced by new cells that are produced hematopoietic organs. These organs are represented by the spleen and bone marrow. The leading position in hematopoiesis is occupied by bone marrow. It is capable of producing about 25 grams of blood per day.
3. Blood makes up about 8% total mass human body.
4. Blood plasma is 91% water.
5. When one fourth of the blood is lost, a condition develops life-threatening person. Damage large vessel is fraught with more rapid development state of shock.
6. Human blood is red due to oxygenated hemoglobin and the presence of iron in its composition.
7. Blood transports oxygen, gases and nutrients to tissues and organs. At the same time, on the way back, it takes with it the final products of the metabolic process, transporting them to the excretory organs.
8. Blood performs a thermoregulatory function. It is capable of cooling some organs, transferring heat to other heat transfer organs.
9. Blood protects the body from disease. It was her shaped elements provide the body's immune response to foreign bodies. For example, pus contains white blood cells that died as a result of fighting infection.
10. A person can live without a pulse. This is possible if the heart is replaced with a special device that pumps blood.
11. The human body is completely supplied with blood, with the exception of the cornea of ​​the eye. Its cells receive oxygen from tear fluid and air. It is due to the lack of blood supply in the cornea that it is characterized by ideal transparency.
12. If you put a sea shell to your ear, people hear not the “sound of the sea,” but resonating sounds, one of which is the sound of blood moving in the vessels.
13. To restore the volume of circulating blood in case of injuries or burns, plasma substitutes are used. One such plasma substitute can be the liquid contained inside green coconuts.
14. There is an opinion that a person’s character and temperament depend on their blood type. In addition, blood type also affects taste preferences. Some people need to eat meat, while others are inclined to vegetarianism.
15. The blood can be oxygenated without the help of the lungs. This process is possible thanks to a special medical equipment- pressure chamber.
16. Mosquitoes preferentially feed on the blood of those people whose blood vessels are located more superficially.
17. More recently, as first aid for hypertensive crises used the bloodletting technique to reduce blood pressure. And in ancient times this technique was widely used in septic conditions, supposedly to cleanse and renew the blood. However, such a judgment turned out to be erroneous; in these cases, bloodletting only led to a weakening of the body due to blood loss.
18. In making some homemade narcotic drugs blood is used as a coagulant. As a result, drug addicts can become infected with such dangerous diseases, How HIV infection and Hepatitis C as a result of injection drug use, if it contains contaminated blood.

The human body is full of mysteries. Therefore, such interesting facts about human blood are useful and important for everyone to know. After all, it is without this amazing liquid that our body could not exist.

June 14 is World Blood Donor Day, dedicated to the birthday of Karl Landsteiner, the Austrian scientist who first divided blood into groups. This discovery marked new stage in the development of medicine. In general, blood has been attributed to various medicinal properties. And some even claim that a person’s fate directly depends on their blood type.

Life Stream

In ancient times, blood symbolized life flow. It was believed that blood could make the earth more fertile, as it contained part of the divine energy. Blood (later red paint) was smeared on the foreheads of seriously ill patients, women in labor and newborns to give them vitality. In the Roman Catholic and Orthodox traditions Wine is used for communion, symbolizing the blood of Christ.

For example, red blood cells are also called red blood cells because they contain hemoglobin, which gives the blood its red color. Hemoglobin ensures fulfillment main function red blood cells - transport of gases, in particular oxygen. Red blood cells are shaped like biconcave discs, which is why many say they resemble a donut shape without the hole. Red blood cells circulate in the blood for 120 days and are then destroyed in the liver and spleen.

Platelets are colorless oval or rod-shaped bodies that play a key role in the blood clotting process and protect the body from significant blood loss from cuts and wounds. Their lifespan is much shorter than red blood cells - only 8-10 days.

White blood cells or leukocytes - part immune system body. Their main function is protective. They participate in immune reactions and are the main “fighters” against viruses and harmful substances. Normally, there are much fewer leukocytes in the blood than other elements. If their number exceeds the specified values, this means that an infection has entered the body. The lifespan of leukocytes varies: from several hours and days to several years.

"Blood type on a sleeve"

It's no secret that there are four blood types in total. They were discovered at the beginning of the 20th century by the Austrian scientist Karl Landsteiner, for which he was awarded the Nobel Prize in Physiology or Medicine in 1930. And in 1940, Landsteiner, together with other scientists Wiener and Levine, discovered the “Rh factor”.

Belonging to a certain blood group does not change throughout life. Although science knows one fact of changing blood type. This incident happened to an Australian girl, Demi-Leigh Brennan. After the liver transplant surgery, her Rh factor changed from negative to positive. This event alarmed the public, including doctors and scientists.

There are several divisions of human blood into groups, but highest value has a division of blood into four groups according to the "AB0" system and into two groups - according to the "Rhesus" system. The four blood groups are designated by symbols: I(0), II(A), III(B), IV(AB). Thus, blood type I(0) is the most common - it is found in 45% of people on Earth. II(A) blood type predominates among Europeans - about 35% of people are carriers of it. III(B) blood group is less numerous - it can be found in only 13% of people. Most rare group blood is IV (AB) - occurs in only 7% of people.

Some scientists have a rather interesting opinion. They believe that a person's fate directly depends on their blood type. There is a lot of research being done around the world on this topic. In Japan, for example, it is believed that blood determines the character and characteristics of a person to a greater extent than the signs of the zodiac. According to vanicon.ru, conducting tests and recording blood type in Japan is called “ketsu-eki-gata”.

The Japanese are confident that those with blood type I are sociable, emotional and energetic people. People with blood type II are more stress-resistant, patient, love harmony and order, but are somewhat stubborn. People with III group shelter. People with the rare IV group in life are guided by feelings, balanced, indecisive and harsh.

"Bloody" diet

Some see a relationship between blood type and diet. For example, owners of the oldest blood group (I) are recommended to adhere to a high-protein diet - eat meat (except pork), fish and seafood. Any vegetables and fruits are healthy, except sour ones. It is better to avoid wheat and wheat products and corn in your diet, reports abc-your-health.com.

But people with Group II blood prone to oncological diseases, anemia, heart, liver and stomach diseases. They are advised to adhere vegetarian diet- limit the consumption of dairy products, replace them with soy products, eat cereals, fruits and fish.

It is believed that people with III group blood at wrong diet instability to rare viral diseases, syndrome chronic fatigue. Therefore, they are advised to adhere balanced diet- eat meat (except poultry), eggs, cereals, vegetables (except corn, tomatoes), fruits. It is not recommended to eat seafood.

The “youngest” blood group is IV; its owners are not advised to indulge in seafood, nuts, cereals, vegetables and non-acidic fruits.

The material was prepared by the Internet editors of www.rian.ru based on information from open sources.

Interesting Facts about human blood many are not known. But this precious liquid ensures the vital functions of our body! An adult's heart pumps about 10,000 liters of blood per day. And this is worthy of attention. We offer you about blood.

Every hour, more than 7 billion blood cells die in the human body. They are replaced by new ones that are reproduced by the bone marrow and spleen. The average daily volume of renewed blood is approximately 25 grams.

Here you can add an interesting fact about bone marrow. Its weight is about 2.5 kg, but over the 70 years of human life it produces approximately 1000 kg of leukocytes and 650 kg of red blood cells. This is such a factory!

The average heart rate of a healthy person is 60-80 beats per minute.

Everyone knows that every part or organ of the human body is supplied with oxygen through the circulatory system. However, this does not apply to the cornea of ​​the eye. It is the cornea that is a unique “detail” of our body that does not have a circulatory system. It is enriched with oxygen taken directly from the air and dissolved in tears.

An interesting fact is that 55% of the blood is plasma, and the remaining 45% are cells that move through the circulatory system thanks to plasma. These are red blood cells (which include hemoglobin) and platelets with leukocytes. By the way, plasma is 90% water.

Different blood types were discovered only in 1930. For this Nobel Prize received by Karl Landsteiner.

An interesting fact with blood happened in 2004. When taking a DNA test, the criminal distracted the laboratory assistant from the procedure, and he took blood not from the attacker’s vein, but from a tube implanted in his arm, filled with someone else’s blood.

There is a man in Australia named James Harrison. He is known as the "Man with the Golden Blood". The point is that in adolescence he suffered major surgery, as a result of which I had to look for 13 liters donated blood. Realizing that this saved his life, he promised to start regularly donating blood as a donor at the age of 18.

It soon became known that Harrison's blood contained unique antibodies. During his life (he was born in 1936 and is alive as of 2016), he became a donor more than 1000 times. An interesting fact is that he was included in the Guinness Book of Records, since his blood was used to make special drugs, saving the lives of more than 2 million (!) babies.

In Japan, the attitude towards blood is very special. Residents of the Land of the Rising Sun believe that a person’s temperament depends on their blood type. If you have the first group, it means confidence and strong determination in life, the second - focus on inner world and details, the third is intelligence and ambition, the fourth is calm and poise. It would seem, what is the peculiarity here? An interesting fact is that an applicant may not be hired if you have the wrong blood type. However!

In Spain there is an ancient national entertainment - Bullfighting. In bullfights, matadors show the bull a red rag, driving him into a frenzy. Most people believe that the bull reacts to the color of the fabric. But the point is that bulls practically do not distinguish colors, so they react not to color at all, but to the obsessive swaying of the canvas near their eyes. The red color was chosen so that the bull’s blood during the fight would not be visible to the audience.

Many people know that if seashell put it to your ear, you can hear the sound of the sea, and even the screams of sellers wandering along the sultry beach. In fact, we hear reflections from auricle sounds environment, as well as elements of the work of our body. One of them is the movement of blood through the vessels. An interesting fact is that by placing your palm against your ear, you will get the same effect.

There are many unusual things in Antarctica. So ice fish have completely colorless blood. You can probably guess that it simply does not contain , which gives the plasma its usual blood color. Antarctic whitebloods need this in order to survive in water whose temperature is below freezing.

It is also a horrifying fact that in the early 1980s, Bayer sold pharmaceuticals made from blood containing HIV. As a result, approximately 10,000 people were infected worldwide.

After fatal negligence was discovered, the drug was withdrawn from sale in the United States, but supplies of the expensive substance continued to other countries. It's money, after all!

And this interesting fact about blood is very unusual. Do you know why in the cold we start sniffling? The fact is that the body takes care of maintaining heat in the nose by supplying there more blood. This causes the vessels of the nasal cavity to dilate, which leads to more mucous secretions.

Some nasty stuff. Everyone is familiar with the color of pus. But I wonder where this liquid even comes from? It turns out that when we look at pus, we see white blood cells that died courageously fighting the infection. So honor and respect to the fallen!

Surely you know that mosquitoes actually eat some people, but don’t even land on others. This is due to the fact that carriers of the first blood group are most liked by mosquitoes. Keep in mind!

The US President's car always has extra fuel, brake fluid, car oil and... spare blood of the current president. As they say, just in case!

The last fact is very funny, in our opinion. The point is that in ancient Egypt The pharaohs did not drink wine because of its external similarity to blood. It was believed that this was the blood of those who fought with the gods, which explained the temporary insanity of people who drink wine.

Now you know everything the most interesting facts about blood. We hope you enjoyed it, and that means you should subscribe, right?!

Good afternoon friends. We continue the “bloody” topic started in the last article. Judging by the comments left, the topic has aroused interest, although few people now act in the honorable role of a donor, or it has appeared once or twice in their lives. But I think there’s still more to come...!

Today I bring interesting facts about blood. Let’s also summarize the “photo puzzle” from the last post.

Of course, donation is a noble mission. And I’m glad that you shared this opinion with me in the comments, it also revealed interesting information about blood, donation, and blood groups. I thought it would be educational for everyone. So what interesting facts does our blood contain?

Blood takes up 8% of our weight and has a volume of 5 to 6 liters.

Blood consists of plasma, red and white blood cells that perform specific functions in the body. These blood cells are called:

1. leukocytes;
2. red blood cells;
3. platelets.

Blood is not a liquid; the plasma underlying it is mobile, slightly transparent, pale yellow. connective tissue, although it consists of water. It occupies 60% of the total blood volume, the rest is blood cells.

Blood in the body performs several functions:

• transport;
• protective;
• thermoregulatory.

The red color of blood comes from iron, which carries oxygen.

Blood in the body is produced by red bone marrow, mainly in the pelvic and long bones.

About 100 thousand kilometers - this is the total length of all blood vessels in our body! Presented!

In one day, the heart can pump almost 10 thousand liters of blood.

Blood is the mirror of the body, reflecting its condition. That’s why when we get sick, we immediately take blood tests.

Blood penetrates through the system of vessels and capillaries to all corners of the body, but only cornea – the only organ, not supplied with blood. Nature took care of its complete transparency.

It is scientifically proven that the liquid is very close to the composition of blood plasma. It’s not for nothing that we drank juice from coconuts; if I knew that the fact was scientifically confirmed, I would drink more.

The concept of “blue blood” is, of course, mythical; it arose from people who have thin, pale transparent skin, through which slightly bluish blood vessels were visible.

There is a rare genetic disease, which is treated by “letting blood.”

We all put a sea shell to our ear to hear the sound of the sea. And everyone knows that we hear nothing more than the noise of the movement of our own blood, which resonates in the curls of the shell cavity.

Mosquitoes are able to distinguish a person's blood type, with their preference being the first group.

An Australian named James Harrison is called "The Man with the Golden Blood". His blood is unique due to the content of rare antibodies. During his 80-year life, he donated more than 1000 times and saved the lives of more than 2 million babies! The fact was presented by Andrei Pogudin. 🙂

Human blood groups

Blood, together with man, has traveled a long path of civilization and, during the course of mutation, has undergone a number of significant changes. Actually conditional groups, into which all humanity is divided according to blood composition, depend on the composition and type of red blood cells.

The classification into groups was made not so long ago, only in 1930. For this scientific fact Austrian Karl Landsteiner was awarded the Nobel Prize.

The Rh factor was discovered 10 years later.

In the 40s of the last century, the first Blood Bank was created.

Each person's blood type is individual and does not change throughout his life. It does not depend on a person’s nationality, but there is an influence of territorial affiliation.

There are 4 blood groups in total: 0(I), A(II), B(III) and AB(IV).

The first group is believed to be the oldest, dating back to the Neanderthals. It is also called unique blood due to its compatibility with all other groups. But in practice, everything is a little different: blood of the exact type is almost always infused and, if there is no recipient with the right group, then replaced with plasma.

Character of a person according to blood type

At all times, the attitude towards blood has been reverent, mysterious and slightly mystical. And there are so many legends, superstitions, rituals where blood is involved, when you need to “swear on blood” or sign with it.

There are beliefs that blood type affects character. That's what the Japanese say. I treat this with irony, but for the sake of interest I will tell you:

The character of the people of the first group

The key to the health of these people is activity. They are ambitious, resilient and natural leaders. They have increased performance.

Men are active lovers, women are temperamental and terribly jealous.

People of the first group prefer meat in their diet.

Negative qualities - irresponsibility and some superficiality of judgment, explosive character.

Character of people of blood group II

This group of blood carriers are hard workers and hard workers, very reliable and responsible. They have excellent health.

A little cool and restrained in emotions, a little uncommunicative. Among vegetarians, there are many people in this group, because it appeared precisely thanks to the flourishing of agriculture among ancient people.

Ladies with blood type II are almost ideal spouses, faithful, sensitive and understanding, loving children and their home. Well, that’s definitely about me! 🙂

What is in the character of people of blood group III?

People are smart, but often do not delve deeply into the process, they are patient, flexible, and even a little meticulous.

Men are fickle, fall in love easily and change the object of their passions.

Women are extravagant and sophisticated, they like to go to the end in their judgments and actions, defending their own opinions.

As a rule, they are omnivores in nutrition.

They do not have excellent health, so it is important to take preventive measures in advance. This group is characteristic of traders and entrepreneurs.

IV blood group and character

This is the rarest and a new group blood. It is believed that it appeared only a thousand years ago. Only 5% - 8% of the world's population have it.

People of this group are kind, emotional, slightly melancholic, and subtle connoisseurs of beauty. Very diplomatic. Vulnerable to ancient diseases, but usually have good immunity in relation to modern ones. Most often they suffer from joints, bones and blood vessels, hearing organs and skin. Exhausting work is contraindicated for them.

Men with this blood type are recognized seducers, and it is rare that a woman can resist their charms.

Women with group IV are outwardly attractive and very selective in communication.

What do you think of the facts? Did you find something that applies to you? It is possible that blood type somehow leaves an imprint on character and personal abilities. But we must not forget about genes, the environment in which a person grew up and was brought up, and star horoscope everyone.

Voting results

And in conclusion, as promised, let’s summarize me - the donor in my youth in the black and white photo in the last article.

Six people took the risk of recognizing who is who under the honorary donor packaging, as Pessimist said :) Thanks to everyone who bid for your logic and imagination.

Everyone passed the first approach, thinking between numbers two and three.

In fact, at that time we looked similar to my friend Lyudmila, that’s the name of the girl number 2. Even in person, people sometimes confused us :). Photo without “donor camouflage” from the same era: