BloodTypePrevalence

  • Health

    The Most Common Blood Type: What You Need to Know

    Understanding the ABO Blood Group System The ABO blood group system is a classification system that divides human blood into four main groups: A, B, AB, and O. The system is based on the presence or absence of certain antigens (proteins) on the surface of red blood cells. People with type A blood have the A antigen on their red…

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