Sometimes we don't even think about how many interesting and complex processes are going on inside us every day. One of the important components of the human body is, of course, blood. In an adult, the heart pumps about 10,000 liters of it per day! I suggest you find out some interesting facts about her.
74-year-old Australian resident James Harrison donated blood about 1000 times. Its rare blood group contains antibodies that help newborns with severe anemia survive. According to rough estimates, thanks to his donation, more than two million babies were saved.
Can a person live if he has no pulse? Can. This was proved by the doctors who treated the American Craig Lewis. Not even a pacemaker helped him. As a result, the patient's heart was removed and a device was connected instead of it, forcing the blood to circulate in a continuous flow. The patient remained alive, but he had no pulse and the ECG showed a straight line.
The Japanese believe that blood type strongly influences a person's character. The first group is ascribed decisiveness, self-confidence; the second - closed, reliability; third - intelligence, ambition; the fourth is poise. They attach such great importance to this that they may even refuse to hire you just because you have the wrong blood type.
Many people mistakenly believe that in a bullfight the bull attacks the matador's cloak because it is irritated by the red color. In fact, the bull does not distinguish colors in principle. It reacts to movement. The color red was chosen simply because the blood of the bull is not so noticeable on it.
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Put a seashell to your ear and you will hear the sound of the sea, we were told in childhood. Of course, this is not the sound of the sea. These are the sounds of the environment and sounds from the human body resonate in the cavities of the shell. One of the components of the noise is the blood flow through the vessels. The same effect can be achieved simply by putting a bent palm on the ear.
Antarctic icefish have colorless blood. There are no red blood cells and hemoglobin in it. Such a special arrangement of the circulatory system allows white bloodworms to live in an environment with temperatures below the freezing point of water.