Both. O Pos is universal for positive RH, O Neg is universal for RH negative.
alot of songs do thatJustin Beiber's "Never Say Never" does that
It's "pot" with 8 O's following it, and if you say it all together "pot-8-O" it's sounds like "potato."
O negative is the universal donor. ABO blood typing refers to the presence of A or B antigen on the red blood cell. O blood does not carry either antigen, so does not elicit an antibody response. The...
O positive