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Here's what's dangerous about American soccer
"Getting" a concussion in this sport is easy.
A helmet can't protect you from such a head-on collision — notice how inertia shifts the brain from side to side. That kind of impact on the bones is exactly what would cause a concussion.
Laser correction☝🏻
Before it, the surgical field was treated, then the corneal epithelium was removed and its remnants cleaned up. Only after these manipulations was the laser irradiation started
Intelligent evolution.
Unlike other cell types in the body, mature red blood cells do not contain a nucleus, mitochondria or ribosomes. The absence of these cellular structures leaves room for the hundreds of millions of hemoglobin molecules contained in erythrocytes.
Nerve impulses from and to the brain travel at 270 km/h. Ever wonder how you can react so quickly to things and why your finger hurts as soon as you pinch it?
That's due to the incredibly fast movement of nerve impulses from all parts of the body to the brain and back again. They provide reactions and rush at the speed of an expensive sports car.
👨🎨 A famous Italian artist created his own Telegram channel!
Right there, he covers about art and NFT, and the way you can start making money from it.
WITHOUT hundreds of thousands to kick off and 5 years at the art academy.
There, he also shared a collection that he plans to make over $1,000,000,000 on.
Watch and earn: @ton_nft_concept_eng
What happens to the chin after losing teeth?
When losing teeth and bone, the angle of lower jaw increases, causing it to deform and "form" a protruding chin.
This is not a shrimp — just a human EMBRYO
In the early stages of development, human embryos have a noticeable TAIL.
Where does it go❓
Even during embryogenesis, the surrounding parts of the embryo overtake it in growth and it ceases to protrude above the surface of the body.
That’s not an exotic plant, but a NEURON under the microscope
A neuron is an electrically excitable cell that processes, stores, and transmits information using electrical and chemical signals.
The cell contains a nucleus, a cell body, and processes (dendrites and axons). If we can say so, the neuron is the most "sprouted" cell in the human body, as its dendrites and axons stretch out like wires, connecting the neuron to other neurons.
Tireless toilers
The kidneys filter 1,500 to 2,000 liters of blood daily. The entire volume of blood in the body manages to pass through the kidneys in 5 minutes.
And all blood fluid has time to be filtered approximately 300 times in a day.
Not surprisingly, the total length of capillaries in one kidney is 25 kilometers.