Question

Blood group that can give blood to all blood groups is called ______.

Answer 1

Universal donor:

1. The blood group that can donate blood to all the blood groups is called a universal donor.
2. The blood group "O" is considered the universal donor because it contains both the anti-A and anti-B antibodies and does not have any antigen.

Final answer: A blood group that can give blood to all blood groups is called a universal donor.