The main function of the kidney is to remove waste from the body through filtration. The kidneys are fist-sized organs located in the middle of the back. Their main function is to keep the blood free of waste products from the food we eat. In addition, healthy kidneys balance salts and minerals such as calcium, phosphorus, sodium, potassium, and electrolytes in the blood and help control their amounts, eliminating them through urine when they are in excess.
The kidneys are regarded as complex purification machinery; they have the function of both elimination and regulation of internal fluids. They excrete water, but they also conserve it; they eliminate through urine all the products of food metabolism that could be potentially harmful.
The kidneys also perform hormonal functions, since they produce a substance called erythropoietin that prevents the appearance of anemia. In addition, they are also responsible for the regulation of blood pressure and important substances in bone metabolism, such as calcium, phosphorus, and vitamin D.
An all-purpose book to keep the kidneys active and healthy, protecting them from diseases, and warning about treatment options in the event of kidney failure.
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