Eli5: How does Saline Solution work within the blood stream?

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Fellows,

I’m reading about donating blood, and they said that in large volume plasma donation, a replacement of saline is added to your blood stream to account for the large volume taken. I’m just wondering how it’s okay to just replace blood with Saline

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Anonymous 0 Comments

You dillute your blood with salt water. It doesnt do the same, you could not replace all blood that way.

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