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"Blood is actually blue!" (lemmy.dbzer0.com)
submitted 4 months ago by to c/whitepeopletwitter@sh.itjust.works
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[–] 7 points 4 months ago* (7 children)

Holy shit.

As someone who does not possess the knowledge, is blood white? The deoxygenated channels?

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  • [–] 21 points 4 months ago* (1 child)

    Deoxygenated, venous blood is dark red. Oxygenated, arterial blood is bright red.

    I was taught the "blood is blue" myth also. My mom was livid, since her job involved drawing lots of blood, starting IVs etc.

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  • [–] 2 points 4 months ago

    I called bullshit from the start on that. If it was true, that blood turned red when it touched oxygen, then pulling blood from the vein in a needle would be blue. Teachers told me to shut up.

    It's such a stupid theory, knowing what we knew.

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