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How many extra calories would someone need to consume in order to replace a pint of blood?

1 upvotes • r/askscience

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How many calories, fat, whatever does someone have to consume to replace a single donation of blood? A pint of blood weighs about a pound. Does that mean that the donor would need to consume an extra ~3500 calories to replace it? Or is it more complicated than that?

1 upvotes • r/askscience

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We have five senses. Why not more? What else is available that we just did not happen to acquire and what would the effect have been on us as a species if we had?

0 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
How many extra calories would someone need to consume in order to replace a pint of blood?	1	askscience
How many calories, fat, whatever does someone have to consume to replace a single donation of blood? A pint of blood weighs about a pound. Does that mean that the donor would need to consume an extra ~3500 calories to replace it? Or is it more complicated than that?	1	askscience
We have five senses. Why not more? What else is available that we just did not happen to acquire and what would the effect have been on us as a species if we had?	0	askscience