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YOU'VE SEEN YOUR OWN BLOOD, WHEN YOU HAVE A CUT OR A SCRAPE. YOU CAN SEE THE VEINS IN YOUR WRIST, AND YOU'VE SEEN THE SCAB THAT FORMS AS A CUT HEALS. BUT DO YOU KNOW WHAT BLOOD DOES FOR YOU? WITHOUT BLOOD, YOU COULDN'T PLAY, OR GROW, OR LEARN. THAT'S BECAUSE JUST ABOUT EVERY...
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