Short Answer
The ABO blood group system classifies blood into four main groups: A, B, AB and O.
Detailed Explanation
The ABO system is the most important blood classification used worldwide.
- Group A has A antigens.
- Group B has B antigens.
- Group AB has both A and B antigens.
- Group O has neither A nor B antigens.
Each of these groups can be either Rh-positive or Rh-negative, resulting in eight common blood types.
Key Points
- Four main ABO blood groups exist.
- Combined with Rh factor, there are eight common blood types.
- ABO compatibility is critical during blood transfusions.
- Every blood group is equally important.
❤️ Every blood group has someone waiting for it. Your donation can become their hope.
