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After death, the blood does not flow, and part of the blood flows into the various organs of the body, and the organs cannot bear the force of the blood, and a large number of corpse spots will be formed. There is also a part of the blood that is counteracted by the germs.
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After death, the blood in the body will quickly decay, and combine with the muscles of the human body to decompose, and will eventually be decomposed and eaten by some microorganisms and bacteria.
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Most of the blood in the human body is water, and after death, the blood in the body is evaporated with the air.
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Part of the blood is slowly deposited in the body's organs, and the other part is digested by the bacteria in our body.
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We all know that blood is constantly circulating in our body, and the organ that drives the circulation of blood is the heart. In the process of blood circulation, nutrients and organs will be transported to various organs of the body, so that life can continue. Then, after we die, the heart will stop beating and the blood will lose the power to circulate.
Without motivation, the blood will gradually stop functioning. In fact, after the heart stops beating for a while, the blood will continue to flow, but not for long, and within 12 hours of death, the blood will gradually stop and change.
Blood will slowly accumulate into some blood vessels due to the action of external forces, causing vasodilation, and blood vessels will also dilate when people are alive, which has a great impact on the health of the body, but it is no longer important after death. And for a period of time, the temperature of the blood will gradually cool, and the temperature of the corpse will gradually become cold, and the blood will not reappear. After 12 hours, some red blood cells will undergo hemolysis, and plasma chromosomes will penetrate out of the blood vessels and into various tissues in the body.
Eventually, part of the blood will coagulate in the lower half to form spots. In this process, the blood will be greatly reduced, because the water content in the blood is about 83 percent, as we all know, water can evaporate, and when the water evaporates, only 17 percent of the blood cells will be left in the corpse, and eventually it will dry and rot.
Therefore, when we die, the blood in our body does not actually flow away, most of the blood remains in our body, but after evaporation and coagulation, it is no longer liquid.
In addition to changes in the blood, after death, the first thing a person will do is change color, the muscles will become relaxed, and the urine and urine will be emptied. This is followed by the death of most of the brain cells, the pupils lose their luster and the body loses blood pressure. Then the muscles start to stiffen, and they start to darken due to the clotting of the blood.
However, anaerobic physiological reactions, such as muscle spasms, and finally a complete cooling of the body, still occur, which are the eight hours that the body goes through after death.
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After death, even the flesh of the body is rotten, then the blood must also be dried up, the liquid in the body is dried up, and some substances in the body are also consumed, and naturally they will be dried.
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The blood in the human body can be used by some other organisms, such as parasites in our body, and another reason may be that it is air-dried.
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When a person dies, the corpse will decompose, and it is also partly due to the bite of insects, which they love most about the flesh of the corpse, which will then suck up their slightly fresh blood.
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I think the reason why the body decomposes after death is because the blood in the body is lost after the person dies, and then the blood slowly dries out, so the body also decays.
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The blood of the human body gradually evaporates, because the composition of the blood is mainly water, which is reasonable in the case of the human body has died.
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I feel that after death, the blood does not flow, there is no vitality, and the heart cannot maintain blood circulation, so the blood will gradually evaporate over time.
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It's dried up and evaporated. When we die, our body gradually decays, the water in the body slowly leaves our body, and finally the blood evaporates with the air.
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The blood of the human body will gradually dry up, because after death, the blood cells in the blood will also die, and the blood will gradually be broken down or evaporated by microorganisms.
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After death, various functions of the human body stop functioning, blood circulation stops, stays in one place, and then slowly decomposes or dries up by some microorganisms in the human body.
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After death, the body gradually dries up, and the blood in the body evaporates along with the large amount of water in the body.
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The heart function is lost, the blood does not flow, that is to say, there is dead blood.
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Every cell in the body lives on blood, and people can't die blood, which means that the cells are still maintained with blood, and the blood is gone, and the blood is gone, and the blood can't be seen when the cells run out of blood, and I'm rich in imagination.
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The human body rots because of bacteria! A bunch of sand sculptures don't know how to pretend to understand!
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After a person dies, the blood in the body finally flows out**? I finally know today!
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Once a person's heart stops beating for a long time, the blood in the body will stop circulating and remain in the blood vessels. If the heart stops beating and hasn't been beating for more than 12 hours, the blood cells in the blood vessels may not change and appear intact. However, under the action of gravity, the blood will gradually precipitate into the blood vessels, which will cause the blood vessels to swell, therefore, after the death of a person, it seems that small edema will appear.
When a person dies, part of the blood in the body turns into corpse spots. If the time of death is more than 12 hours, some of the tissue fluid in the body will slowly enter the blood vessels. At this point, the blood cells in the blood vessels will begin to change.
When mixed with tissue fluid, some changes occur and the color changes. It's changed. The discolored blood will flow slowly to all parts of the body, so there will be a lot of spots in the human body, which are actually corpse spots.
A part of the blood is deposited in several organs. After the death of the human body, a part of the blood in the blood vessels becomes a corpse spot, and a part of the blood will be slowly deposited in various organs of the human body. Actually, when people are alive, there is blood circulating in the organs of the body, so there is a lot of blood in these organs.
After death, the blood will continue to be deposited in the organs and then slowly disappear under the influence of gravity.
The other part of the blood will be digested by the bacteria. In fact, there are three main fates of a person's blood after death, most of which goes to various organs, some of which become corpse spots, while the other part is digested by bacteria. The body actually has some bacteria in the body when a person is alive.
When a person dies, the bactericidal function he produces disappears, the bacteria are activated, and the blood naturally becomes food for the bacteria.
Of course, some blood evaporates, after all, the main component of blood is water, which evaporates easily. After the death of the person, the heartbeat will stop and the blood circulation in the body will begin to disappear. When water is lost, it naturally takes away some of the blood, so the blood disappears soon after death.
Blood circulation, which proves that a person is alive. When alive, the heart carries blood to various organs in the body. Blood in the human body is also constantly circulating in the blood vessels.
But after death, in addition to some bones and meat, the weight of the human body also contains a lot of water and blood. Compared to water, blood does not account for much weight, perhaps only 8 of body weight.
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Man after death. The blood in the body stops flowing. Because the blood begins to drain.
If there is a wound on the lower part of the lying corpse. Blood will drain from the wound until it clots. Even if there is no wound.
It will also be affected by gravity and flow to the part of the body close to the ground. Then slowly solidify. The blood clotting part of the body.
It will take on a purple patch. And this change begins within an hour and a half of death. Drainage is more pronounced after about four hours.
Blood clots after a still flow. But due to the lack of air in the body. The solidification time is slower than that of the wound.
After about 12 hours, all solidification will not flow. So poof! If the top of the body is found to be slightly purple.
It means that the corpse has been moved!.
Death from hemorrhagic shock caused by various reasons, such as sharp object stab wound to large blood vessels, stab wound to organ with large blood content, ruptured own aneurysm, etc. A large amount of blood is lost outside the body, or from the blood vessels, and accumulates in the chest, abdomen, and pelvis.
The corpse and its organs are intact and die, i.e., they do not cause heavy bleeding. It can be simply divided into the following parts or steps:
1. For a period of time just after death, the blood still stays in the blood vessels at all levels.
2.Over time, a portion of the blood will accumulate under the force of gravity on the lower part of the corpse and not under pressure, eventually forming corpse spots.
There are three periods of formation of corpse spots:
1. Settlement period. Generally, within 12 hours of death, the blood is confined to the blood vessels at the site of the fall, but because the blood accumulated is more than in the normal circulatory state, it will cause the expansion of the blood vessels at the site of the fall, and the appearance of various blood cells is basically intact and not destroyed.
2. Diffusion period. Generally, 12 to 24 hours after death, the tissue fluid in the tissues surrounding the corpse spot penetrates into the blood vessels, causing changes in osmotic pressure and causing hemolysis of red blood cells. Plasma is stained with hemoglobin and also penetrates outside the blood vessels.
Hemoglobin further stains the tissue fluid.
3. Infiltration period. It is usually more than 24 hours after death. The hemoglobin-stained fluid enters the interstitial space and simultaneously stains the histiocytes.
Small blood vessels filled with pink fluid inside and out? Can't tell what it is? Is everything messed up?
The blood involved in the formation of corpse spots is only a small fraction. Most of the blood remains in large blood vessels and organs after death. The heart chamber, thoracic aorta, abdominal aorta, common iliac artery, superior and inferior vena cava, portal vein, and other large major arteries and veins.
There is also a large part in the blood vessels or sinuses in organs with a large amount of blood, such as the lungs, liver, and spleen.
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As we all know, the determination of whether a person is dead or not is whether the heart continues to beat. If the heart stops beating, then the blood in the human body will naturally not be able to flow normally, because the blood inside our human body can only flow with power by beating the heart, so after people die, the cells inside the blood vessels will not be able to flow because there is no power, and then die, therefore, the pain inside the blood vessels will increase, and the blood will penetrate the capillaries of the human body, and then form the corpse spots we see.
Moreover, most of the inside of the blood is composed of water, so within 24 hours when the heart stops beating, the proteins in the blood will be corrupted, and the trace elements inside the human body will also flow out of the body, so the water in the blood vessels will be continuously evaporated, and then the blood in the blood vessels will be almost gone, and the corpse will become a dry corpse.
In addition, our human body also contains sugars, fats and other nutrients, which are constantly absorbed and utilized when human beings are alive, but after the death of the human body, such nutrients will quickly breed bacteria and other microorganisms, for microorganisms, blood is their fast-growing petri dish, so nearly 48 hours after people die, some corpse-eating insects will appear on the body, slowly corroding the corpse. Generally speaking, after a person dies, the pupils of the eyes will dilate, the person's heart will stop, and the organs in the body will stop working. The hot blood also cools down and can no longer flow to all parts of the body.
After 6 hours, the blood in the body will gradually deposit at the bottom of the blood vessels due to the action of its own gravity. The purple marks on the ** close to the ground appear, that is, corpse spots, are an important basis for determining the time of death in medicine.
After 24 hours, these stained fluids will enter various tissues of the body, some of which will flow to the body due to gravity, close to the ground, coagulate and form purple markings, if it is due to excessive blood loss and shock, such as a large blood vessel is punctured, its own arteries are ruptured, some organs containing a lot of blood are stabbed, etc., in this case, after returning, blood will accumulate from the blood vessels into the chest, abdomen or pelvis, or with the wound to the outside of the body until coagulation.
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Most of the inside of the blood is made up of water, so within 24 hours when the heart stops beating, the proteins in the blood will be corrupted, and the trace elements inside the human body will also flow out of the body, so the water in the blood vessels will continue to evaporate, and then the blood in the blood vessels will be almost gone, and the corpse will become a dry corpse. When a person dies, there is no blood in the body, just because there is a lot of water in the blood, and this water is constantly evaporated and vaporized. The current level of medicine is very high, but it is still improving, because there are still many diseases that cannot be solved.
Nowadays, the profession of doctor is also very popular, and many people, even if their grades are not very good, will choose to go to health school and choose a promising major. There must be a step of dissecting the corpse in their professional class, so why doesn't the corpse bleed, if they dissect a living animal, it will probably make them splash blood.
Everyone should know about water, and in junior high school science textbooks, it is already written that water can be solidified and vaporized. Solidification is the process of turning a liquid that flows like water into a solid, while vaporization is the process of evaporating and turning water into water vapor. In the same way, there is water in the blood, the human body has a total of 60 to 70 percent water, if there is water, then let it solidify at zero degrees Celsius, or even lower, and the blood will clot, but it will not be strong enough, all the blood will clot.
In some criminal investigation TV dramas, everyone should also know that when a person is alive, if the major artery is cut, the blood will flow out all the time, but if the person dies, it will not flow a lot of blood if he cuts it again.
Many ** criminals, after killing people, disguise the scene as if he was committing suicide, in fact, such a situation can be seen by the forensic doctor at a glance. So it's a question, when people die, where does the blood go. It is impossible to make so much blood disappear by solidification, so there is only one reason why so much blood is missing, that is, vaporization, that is, slowly over time, the blood is sent out little by little**, but what is not sent out will slowly precipitate, which is also easy to form dry corpses.
And like those in the tombs of those in ancient times, only one skeleton remains, that is, the blood is gradually evaporated, and the other tissues of the body are broken down by other microorganisms.
Therefore, after a person dies, the body's functions will not function, and there is no way for blood to circulate, so it can only wait quietly to be evaporated. Therefore, this phenomenon can also determine whether the deceased person committed suicide or homicide.
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