How many types of RBC blood are there?
Understand the Problem
The question is asking about the different types of red blood cells (RBCs) or, more likely, blood types determined by the antigens present on the surface of RBCs. The ABO and Rh blood group systems are the most clinically significant.
Answer
There are three main types of blood cells, and 47 recognized blood group systems.
There are three main types of blood cells: red blood cells, white blood cells, and platelets. According to the ISBT, there are 47 recognized blood group systems containing 366 red cell antigens.
Answer for screen readers
There are three main types of blood cells: red blood cells, white blood cells, and platelets. According to the ISBT, there are 47 recognized blood group systems containing 366 red cell antigens.
More Information
Red blood cells (erythrocytes) are the most common type of blood cell and their primary function is to transport oxygen to the body's tissues.
Tips
It's easy to confuse the main types of blood cells (red, white, platelets) with the different blood group systems and antigens related to red blood cells.
Sources
- What Do Blood Cells Do? | American Red Cross - redcrossblood.org
- Red Cell Immunogenetics and Blood Group Terminology - ISBT - isbtweb.org
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