The state of the body when there are few red blood cells in the blood is called anemia. It can be caused by certain diseases, impaired functioning of the red bone marrow, or other specific factors. To check the number of red blood cells in the blood, you need to donate blood for analysis. Specialists study the blood and make a detailed analysis of it. Then you can look at the results. On the form with the results, the norm is usually indicated with your indicators. If some indicators are not normal, then the doctor will prescribe treatment to restore the level of red blood cells.
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.