An illustration of red blood cells in the human body.

Blood Type Trivia Quiz Game

Play this blood group game and get answers to all your questions about blood type. Blood type is a classification of blood and other antigens. It's indicated with 4 letters: A, B, AB, or O. Your blood type depends on whether you have both the RhD antigen and another antigen called the ABO antigen.

Are you aware of what factor determines your blood group? Have you ever heard about the A and B antigens, and the RhD proteins? People can be RhD positive (having the RhD protein) or RhD negative (not having RhD protein).

Blood Type Games

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Blood Type
Which blood types are considered universal donors?