Which blood type is known as the universal donor?

Name: Which blood type is known as the universal donor?
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Quizplus · Accepted Answer

Blood type O- is known as the universal donor because it lacks both A and B antigens on its surface, making it compatible with all blood types during a transfusion. This is useful in emergency situations when the recipient's blood type is unknown or when there is not enough time to determine their blood type.

Which Blood Type Is Known as the Universal Donor