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Old 27 September 2007, 09:28 PM
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snopes snopes is offline
Join Date: 18 February 2000
Location: California
Posts: 109,660

Originally Posted by Wondercow View Post
It's amazing how many people believe this. "Blood is blue, but if you cut yourself it instantly sucks up oxygen and becomes red! You want proof, look at the veins in your wrists - blue!"

I've yet to find a good, quick way to counter this "logic".
When you have blood drawn for lab work (or donate blood), it's typically sucked/pumped directly into a collection vial or syringe without coming into contact with the air, yet the blood is still red.

- snopes
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