Interesting post. I had no idea that avatars( blue people) are for real. Lol
Deoxygenated blood is thought to be blue and so the color of veins. And maybe that's why deficiency of oxygen makes persons blue.
But that's new information for me that it could be genetic having high rates of this blood.
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Yes, if someone is asphyxiating they usually get a purplish hue.
Lol. That's hilarious.
Hahaha