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.
It's actually green
🖖
That one guy in Carbon Creek is an outlier and should not be counted.
Plasma separated from red blood cells is sorta yellowish beige. At least in IV bags.
Blood separates into white, yeah. That's basically my understanding of (a type of) pus formation.