WebMD - Did you know that in an emergency, O negative blood can be used by anyone with any blood type? That's because it doesn't have any of the antigens -- A,
![Why can a type O person donate blood to all other blood types but can only receive type O blood? | Socratic Why can a type O person donate blood to all other blood types but can only receive type O blood? | Socratic](https://useruploads.socratic.org/BJ1tNULiQLmKpWsCTd8Q_antigen.jpg)
Why can a type O person donate blood to all other blood types but can only receive type O blood? | Socratic
Can someone with the O positive blood group donate blood to someone with the B positive blood group? - Quora
![Why can a type O person donate blood to all other blood types but can only receive type O blood? | Socratic Why can a type O person donate blood to all other blood types but can only receive type O blood? | Socratic](https://useruploads.socratic.org/CSZL9vIiSzqO2zcq1Bvg_antigen.jpg)