The main function of the kidneys is excretory.
In one day, up to two thousand liters of blood pass through the kidneys of a person and 1.5-2 liters of urine are formed. End products of metabolism, foreign and toxic compounds, many drugs are excreted from the body through the kidneys. However, in addition to the excretory function, the kidneys are involved in the metabolism of carbohydrates and proteins, in the formation of biologically active substances that play an important role in the regulation of blood pressure. The kidneys also affect the rate of formation of certain blood cells. Thus, the kidneys, in addition to excretory, perform regulatory, hematopoietic and some other functions.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.