Blood donation is a blood transfusion to help someone who needs blood.
There is a need for someone who does not have a person who does not. This is what we donate. Blood is needed for anyone, whenever possible. Blood may be required for any cause, including accident, surgery, disease. It is impossible to find a person who wants to donate blood and pay blood to him from the patient.
That is why blood banks started to act. The blood bank is a system that helps blood donation from the blood donors and protects them when blood is needed.
What is blood
There are three types of cells in the blood. White cells, red cells, and blood-free cells.
Red blood cells in the blood can carry oxygen from the lungs to various parts of the body. Then the carbon dioxide in the area will be brought to the lungs.
White cells act like the soldiers. Destroying bacteria in the body and doing any other germs will do the job of entering the body.
There is no need to tell what the blood cells are doing. We would have realized that if we had some minor injury and the blood came out within 5 minutes, the blood flow would be stopped. Cells that make up the most important job of freezing blood are called platelets.
Plasma cells in the blood function as a carrier of glucose, fat, protein, fermentation and hormones.
Blood is usually 4 types. That is, A, B, O, AB. In these 4 categories, man is something of a sort.
It is also a positive, A negative, P positive, B negative, O positive, o negative, AB positive, and AB negative.
Everyone needs to know their blood type. There is a problem in getting blood donation. This means that A type of blood can only be donated by A type of blood. This applies to all types of blood.
Types of blood
But in any of the most serious cases, he may be able to pay O blood if he has any blood type. Similarly, blood type can be given to any type of blood.
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