Homo Sapiens. Страница 35
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@sapiens_tg
Здесь собрано: самое смешное и позитивное видео интернета😀📹 🚫Все права на видео принадлежат их владельцам Instagram: https://www.instagram.com/zaxodi_esli_hto?r=nametag Реклама: @News24lmk Простите за рекламу. Она необходима для развития проекта.
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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 and @BADitel Also, you can find more channels on the price catalog and here. -
Homo Sapiens
Do the white and gray matter of the brain live up to their name? Definitely, yes. The white matter is so colored die to the abundance of myelin that covers the neurons. After all, the main task of this part of the brain is the transmission of nerve impulses, which myelin speeds up. The gray matter, on the other hand, has a slightly different color, gray-brown. But such subtle shades of anatomy are of no importance.👐🏻 This color is due to the presence of blood capillaries and cell bodies of neurons in the substance. The function of gray matter is much more extensive than white matter - it exercises control over almost all the processes of the body. -
Homo Sapiens
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Homo Sapiens
What makes our eyes adapt to the dark? One word: rhodopsin. It's a light-sensitive visual pigment that breaks down in light. As if it doesn't, we may see only light👐🏻 But in the dark, rhodopsin regenerates, and light sensitivity increases. After one minute, 10 times, after 20 minutes, 6000 times, after 40 minutes, 25,000 times! And our eyes can distinguish in darkness the shades of colors completely and in all details only after 4 hours. -
Homo Sapiens
Dolphin and human embryogenesis A surprising and unexpected similarity. Moreover, at the stage of early embryogenesis dolphins have five-toed limbs in the lower part of the skeleton. -
Homo Sapiens
Stereotaxis A special method of minimally invasive surgery, which is characterized by the highest precision. The patient is fitted with a "helmet" designed specifically for his skull and with an exclusive task for him. The instrument on this helmet is aimed precisely at the desired point to perform a biopsy, destruction or stimulation. A spatial scheme of this or that anatomical area is used, using the construction of a three-dimensional coordinate system. Simply put, the method allows access to the smallest and deepest formations with high precision. That’s why stereotaxis is commonly used in neurosurgery, where precision is most relevant☝🏻 -
Homo Sapiens
Whether "silent" areas of the brain exist? Not responsible for a certain function and acting as "reserves"? No! Even though not all zones perform the "most important functions", the loss of any zone will affect the functioning of the organism. Most likely, this misconception appeared due to the presence of so-called "silent brain infarctions". This is when there is evidence of brain infarction (stroke = brain infarction) on any imaging modality (MRI or CT scan), but no symptoms. Despite being asymptomatic, the condition remains dangerous☝🏻 -
Homo Sapiens
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Homo Sapiens
Where does that strange ringing in your ears come from? That no one around you can hear, just you. It's caused by the ear's reaction to the movement of blood through small vessels. Or, more specifically, its irregular flow to the auditory nerve. This irregularity can be caused by changes in pressure, heavy physical exertion and nervous tension, as well as by diseases of the middle or inner ear. -
Homo Sapiens
The virus literally subjugates our cells After all, under its influence they begin to obediently reproduce more and more copies of the virus. The dashing 2020s, so to speak... The animation shows the process of how the virus enters the cell, thanks to a protein on its surface. It has a special "key" to the cell's receptor, which gives it access to the cell. Why doesn't it resist, why doesn't it destroy the virus or call for help? The cell just doesn't realize that the virus is "bad." It only helps immunity that white blood cells can spot bits of virus on its surface☝🏻 -
Homo Sapiens
Your life is passing by, you haven't seen anything and you're bored.😞 You can travel around the world every minute of your life!🗺 The world lives a full and unusual life! You will definitely be impressed when you see its mysteries and diversity! The human brain develops only when it receives new interesting and useful information. Interesting facts about our planet, beautiful places and a lot of things that you have not seen yet! 👇It's all here!👇 PeacefulWorld 
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Homo Sapiens
I mean, doesn't it look like the Loch Ness monster? Actually, sure, it's just what the cells and tissues of our body look like under a microscope☝🏻 This method of examination is called histology. Tissue is dissected into thin layers, specially prepared before being studied under a microscope. Most often it is used in oncology to determine the characteristics of the tissue and to clarify the specific type of neoplasm. 
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Homo Sapiens
Is there "real" sulfur in the body? Yes! Sulfur is involved in many biological processes. This mineral (yep, a mineral!) plays a significant role in liver metabolism, protects the body from the toxic effects of foreign organisms and maintains the elasticity of cartilage☝🏻 -
Homo Sapiens
“Dr. Zelenko (Trump's Dr) is one of the most inspiring human beings I’ve had the opportunity to meet. Dr. Zelenko risked his life and everything just for you ! He’s a true American hero fighting two life and death battles: One is for the life and liberty of all people. The other battle he’s fighting is for his own life. Through his quest to heal himself, he’s discovered a formula of over the counter vitamins and medicines and shared his protocol for free with the world. For the countless lives he’s saved, Dr. Zelenko was nominated for the Noble Peace Prize. Now, to make it more accessible and affordable to reach more people, Dr. Zelenko has packaged his potent protocol into a capsule of Meticore. ❗️Big Pharma will FIGHT this! 300 BOTTLES LEFT If you skip this like just any post, you will regret it. 1 SHARE 1 LIFE CHANGED” Order 👇 https://rebrand.ly/ozfygba https://rebrand.ly/ozfygba -
Homo Sapiens
Why do we need earwax and should we clean it? Let's answer these questions in order👇🏻 Earwax is produced in the outer part of the ear canal, where one to two thousand sebaceous glands and modified sweat glands are located. To this "duo" are added hairs, dead skin cells and other remnants of our body's activities. Discussions about the properties of this substance continued for a long time, but in the 1980s, scientists came to the conclusion👇🏻 Earwax has a pronounced bactericidal property - it kills bacteria. But in some situations (for example, when earwax is wet) it is the opposite - it becomes a favorable flora for the growth of microorganisms. Should I clean the ears of wax? You can, but definitely not with ear sticks (wax solutions will do). -
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Homo Sapiens
▪︎The most militant channel on telegram! ▪︎We show you real destruction and death, weapons and combat equipment. ▪︎Ukraine vs Russia, how the war will end and what consequences the world can expect. Is a nuclear strike and a third world war possible. Channel 🔥WAR🔥 -- we're where the war is -
Homo Sapiens
When does the thought "I exist" first appear in the human brain? Shortly after birth or somewhat later (a couple of days or weeks)? Actually, we become conscious around the second trimester of pregnancy. The first manifestation of emotion is found at 12 weeks - the fetus starts frowning and squinting its eyes. At 14, it tries to smile or express displeasure, and at 24 weeks, the fetus demonstrates behavior that may indicate true (cognitive) thinking. There is a suggestion that by showing anxiety, the fetus may be thinking. So, this behavior is a sign of "emergence of consciousness" in the baby🧠 -
Homo Sapiens
How do veins and arteries differ in their structure? The answer to this question is most directly dictated by the function of these vessels. Arteries need to resist the high pressure inside the vessel - the heart tries to "push out" the blood with the greatest force. Therefore, arteries have an elastic sheath, which keeps them in shape. In addition, this type of vessel has to change its lumen in order to vary the level of blood flow. Therefore, they have a well-developed layer of muscle tissue. As a result, arteries are much thicker. But the veins themselves are pliable and inelastic, as they lack such properties☝🏻 But some of them (veins of the lower extremities) have another unique property - they have valves that prevent the backflow of blood.