Blood Group O
Blood group O has neither A nor B antigens on red blood cells but contains both anti-A and anti-B antibodies in the plasma. Individuals with this blood type can donate red blood cells to anyone (universal donor) but can only receive blood from group O. Blood group O is the most common blood type in many populations. Because it lacks A and B antigens, it plays a crucial role in emergency transfusions.
Description
Your red blood cells do not have A or B antigens, and your plasma contains antibodies against both A and B antigens.
To all blood groups: A, B, AB, and O.
Only people with blood type O.
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