/u/CrystianMassengill's posts in /r/askscience

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When the body loses a significant amount of blood, is the production of blood cells sped up to help replace the lost blood quickly, or are they produced at the same rate?

987 upvotes

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Would it be possible for there to be perfectly identical siblings who were not twins?

2 upvotes

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How do we know that the faces in our dreams are only faces we've seen at some point in our lives?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When the body loses a significant amount of blood, is the production of blood cells sped up to help replace the lost blood quickly, or are they produced at the same rate?	987
Would it be possible for there to be perfectly identical siblings who were not twins?	2
How do we know that the faces in our dreams are only faces we've seen at some point in our lives?	1