Homo Sapiens. Страница 27
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Homo Sapiens
Direct Electrical Brain Stimulation. A type of electrocorticography applied during brain surgeries, in order not to remove an excess in a brain tumor or to remove a part in an epilepsy case. -
Homo Sapiens
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Homo Sapiens
Dear followers, we open sales of ads on our channel now If you are interested, please, contact @relevant_theory -
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Homo Sapiens
How many liters of blood do people have? The body of an adult man has an average of 5-6 liters of blood, while a woman carries about 4-5 liters The blood pumped by the heart irrigates about 75 trillion cells throughout our body. -
Homo Sapiens
It's not natural for the heart to age and suffer with age In fact, the health of our "motor" depends only on nutrition and lifestyle. -
Homo Sapiens
Those who wish to defeat death surrender their bodies to cryopreservation. They freeze their bodies to be revived when the technology is advanced enough. In the picture you see James Bedford, the first person to undergo cryopreservation. 
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Homo Sapiens
The "thump" of the heart is the sound of the heart valves closing At first (first "thump") the mitral valve, located between the left atrium and left ventricle, and the tricuspid valve, located between the right atrium and right ventricle, close; Then (the second "knock"), the aortic valve, which closes the opening in the left ventricle, and the pulmonary trunk valve, which closes the opening in the right ventricle. -
Homo Sapiens
Open-heart surgery is an operation in which the patient's chest is opened and an artificial circulatory system is connected. Generally, that’s one of the most complex surgeries in the world -
Homo Sapiens
That’s what a blood clot looks like, the culprit of most instant deaths. A blood clot is a vital blood clot in the lumen of a blood vessel or in the heart cavity, formed as a result of the activation of the blood clotting system and arising in response to damage to the vessel. Such a clot can block an important vessel and cause severe damage to the organ it supplies. 
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Homo Sapiens
Metal rod in the cranial cavity. The patient is still in serious condition, but stable. It's amazing how he survived. 
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Homo Sapiens
Spermatozoon on the surface of the egg. A remarkable microscopic picture. 
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Homo Sapiens
Tofusi in gout. A tofus is a chalk-like nodule that consists of sodium monourate crystals, proteins, and mucopolysaccharides. 
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Homo Sapiens
Calcium is involved in a number of processes in the human body, and bones act as a storehouse for this mineral. If the heart or nerves require calcium, the bones willingly sacrifice themselves. -
Homo Sapiens
Direct cardiac massage is the most urgent measure during surgery. It is performed directly on the operating table if it is discovered during the operation that the patient's heart has stopped. The essence is as follows: the doctor quickly opens the victim's chest and begins to rhythmically squeeze his heart with one or two hands (or special tools), thereby forcing the blood to flow through the vessels. As a rule, the method is more effective than indirect heart massage. -
Homo Sapiens
How is the ear canal constructed? The external ear canal is a canal about 4 cm long that connects the pinna and the eardrum, which seals off the following parts of the ear It is in the external auditory canal that earwax, a viscous substance that protects the ear from dust, germs and drying out. Hit 👍🏼 if you're interested in seeing this kind of information on the channel Put 👎🏼 if you're not interested -
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Homo Sapiens
That’s what plaque looks like under a microscope Plaque is a buildup of bacteria in the form of a film that forms on the teeth. The plaque bacteria secrete acid, but in the first few hours it is neutralized by saliva. And after a few hours plaque becomes thick and dense, saliva stops penetrating it, and the acid begins to dissolve the enamel of the tooth, which eventually leads to bare dentin and tooth decay. My point is, never forget to brush your teeth at night. For some reason many people think it's not as important as it is in the morning. And it's at night that leftover food and breeding bacteria ruin your teeth. 
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Homo Sapiens
Astrocytes Astrocytes form a parallel universe in the microcosm of the brain, where the number of neurons is quite comparable to the number of stars in the galaxy. Just 25 years ago they were considered to be just an auxiliary structure supporting the whole cellular structure, but today scientists attribute a quite important, special significance to them. Star-shaped cells do hold up the complex architecture of the brain, but not only. They maintain homeostasis, store and redistribute energy, protect the brain from attacks by foreign molecules, provide recycling of neurotransmitters, ensure normal functioning of synapses and control the entire system of signal transmission; and the list goes on. -
Homo Sapiens
