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What Color is Your Blood?

What color is your blood. Red, right? Well, actually, yes. So why does it look blue when you see it through your skin? And is everyone's blood always the same color red (spoiler: no)? Do all animals have red blood ('nother spoiler: no!)? And why is red blood red anyway? Hank gives you the facts on vampires' favorite beverage.

English
  • Originally Aired November 12, 2013
  • Runtime 10 minutes
  • Network YouTube
  • Created January 4, 2014 by
    Administrator admin
  • Modified January 4, 2014 by
    Administrator admin
Name Type Role
Kathleen Yale Writer
Hank Green Director