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ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast

Dec 25, 2020

Why does blood not stick to human skin like a permanent marker, yet stains things like clothes really badly? How does circulation work after an amputation? How many blood types are there? What does A B & O mean? If blood in your veins looks blue, why do we never see blue blood when we get a cut?


... We explain like i'm five!


Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: liquidbottle, old_story, uniwersal, turbotitan92, despicablenewb, alloftheabove12, kyylye, somepoet, skillyskally & phage0070

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