Kidney, commonly known as kidney, is like a 'filter' for excretion and detoxification. People cannot survive without kidneys. But if we can keep a normal kidney, people can still urinate and survive. It is often heard that when buying an Apple phone, many people go to sell their kidneys. Why? Let's have a look.
Why does a person cut off a kidney still can live? What role does kidney play in human body function?
This is because the kidney is one on the left and one on the right. The main function of the kidney is to keep the normal water and electrolytes necessary for the body, and to discharge the excess water and electrolyte, as well as the metabolic wastes and toxic substances from the body. 5 / 6-7 / 8 of the bilateral kidneys of rats were removed. The volume of residual glomeruli increased within 3 months, and the proliferation of glomerular cells occurred after 6 months.
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After unilateral nephrectomy, the single glomerular filtration rate of one kidney remained in the body was increased. This means that if one kidney is removed, the function of each nephron in the other kidney will be compensated. If one side of the kidney is removed, the excretion and regulation function of the kidney can still be maintained well.
Therefore, once a kidney is cut off due to illness or donation, as long as the function of the left kidney is normal, it can still urinate and survive.
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