ELIF: Why should I drink more water before donating blood?

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Wouldn’t that dilute my blood and make it “less useful”?

In: Biology

5 Answers

Anonymous 0 Comments

Due to your blood (specifically plasma) being made up so much of water, hydrating prior to giving blood allows the body to begin replacing the water right after it’s taken out of you. If you give your body the resources to begin immediately repairing itself, it will!

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