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The liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body, or an internal bodily fluid that performs a similar function in invertebrates.

39 votes
1 answer
7k views

What is excess blood from blood donations used for, and do we ever run out?

I regularly donate blood, however, I am curious as to what happens to my blood after I donate. Obviously some of it will go to people in emergency medical situations, as I intend. … First, do we ever have a blood deficit, situations where someone who could have been saved in a hospital dies because there wasn't blood to treat them? …
dsollen's user avatar
  • 1,027
11 votes
1 answer
2k views

Are platelet donations needed more than whole blood?

I'm trying to donate platelets more, now that I realize I can do it in between whole blood donations. I admit I find the whole process far more annoying than whole blood. … This last time I showed up and told them that I thought I was due to donate whole blood. If so, I wanted to donoate whole blood since I didn't have time for platelets. …
dsollen's user avatar
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12 votes
3 answers
15k views

how many 'lives' are saved from one donation of blood?

The red cross claims that donating blood can 'save up to three lives' That seems a highly exaggerated best case scenario. I'm curious, how many lives are really saved from a unit of blood? … I know that blood type of the donor could play a factor here, but to address the question I'm interested in I'd prefer to know about the 'average' pint of blood, so in essence if all the donor of all the …
dsollen's user avatar
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6 votes

how many 'lives' are saved from one donation of blood?

However, one whole blood donation does not make up a full unit in any of these three. … Giving that likely generous presumption were looking at 1 life saved per two whole blood donations via plasma. Other products There are other products that can be made out of whole blood. …
dsollen's user avatar
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