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"Blood is actually blue!"
(thelemmy.club)
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this post was submitted on 26 Jun 2026
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Holy shit.
As someone who does not possess the knowledge, is blood white? The deoxygenated channels?
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.
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.
Plasma separated from red blood cells is sorta yellowish beige. At least in IV bags.
It's actually green
๐
That one guy in Carbon Creek is an outlier and should not be counted.
Blood separates into white, yeah. That's basically my understanding of (a type of) pus formation.