Answer (1 of 4): The blood of a O positive person contains antibodies called anti-A and anti-B. When his blood comes in contact with group a cells, the anti-A antibody will bind to the cells and cause them to clog the blood vessels and initiate a immune response from the body. If the amount recei
What happens when an O positive receives A positive blood? - Quora
Why do people with blood group O+ not get infected easily with HIV
What happens when an O positive receives A positive blood? - Quora
Can a man with O positive and woman with O negative have a child
How do doctors know how much blood you have lost? - Quora
Can a person with a blood O type receive AB blood? - Quora
Can a person with a blood O type receive AB blood? - Quora
Can the child be a positive if both parents are O positive? - Quora
Can someone with the O positive blood group donate blood to
If I have Rh-null blood, what are its symptoms? - Quora
If I am O+ and so are both my kids, what can the father be? - Quora
How is knowing your blood type significant for a blood transfusion
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What is the quality of O+ blood group people? - Quora