JWeinCom on 23 February 2018
| PSintend0 said: 1. Is it blood type O? 2. Is it blood type 0? I´m not from America and the way I learned it was that its really 0, but in common lanquage its way more often O and that basicly nobody says blood type zero. |
I get why it would be 0 for zero antigens, but the other two types are A and B, so it just seemed like they should all be letters. Never really thought about it till now.







