43+ All 8 Blood Types Pictures. Knowing a person's exact blood type is critical when a blood transfusion is necessary. Why know your blood type.
Before that, doctors thought all blood was the same, so many people were dying from blood transfusions. Blood typing made easy with explanation on abo blood groups and rh factor for nurses (blood transfusions). However, not all blood cells have the same combinations of surface proteins (antigens) and antibodies;
Which type you have affects how you the abo blood group system classifies blood types according to the different types of antigens in the red blood cells and antibodies in the plasma.
If the blood types are not compatible, red blood cells will clump together, making. During a blood transfusion, a patient must receive a blood type that is compatible with his or her own. They were discovered in 1900 and 1901 at the university of vienna by karl landsteiner in the process of trying to learn why blood transfusions sometimes cause death and at other times save a patient. Blood groups were discovered in 1901 by an austrian scientist named karl landsteiner.