Hello,

I was hoping that someone in the medical field could answer a couple of questons for me.

Let's say that someone with a very rare blood type (like out of this world blood type wink ) lost a lot of blood, enough to kill him. Could someone else with the same rare blood type be able to donate blood to save him. Would it be possible to donate enough blood safely? And how much blood would a person have to lose for it to become life threatening?

Thanks in advance, guys. smile

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