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What are some commonly known facts that are too bizarre for you to believe to be true? (lemm.ee)

submitted 1 year ago by [email protected] to c/[email protected]

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For me it is the fact that our blood contains iron. I earlier used to believe the word stood for some 'organic element' since I couldn't accept we had metal flowing through our supposed carbon-based bodies, till I realized that is where the taste and smell of blood comes from.

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[–] [email protected] 4 points 1 year ago* (last edited 1 year ago)

Our atmosphere contains water and oxygen, which is an incredibly hostile environment for metals like this. Imagine, we’re breathing this stuff that attacks so many elements mercilessly.

Hydrogen and oxygen and very reactive, which is exactly why they are so necessary for survival. Our bodies function off of chemical reactions, it makes sense to power that off of the most reactive elements it can easily find.