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Why are veins blue? | Anna's Science Magic Show Hooray!

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 Anatomy   |   Biology   |   Health   |   Science
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If your blood is red, why are your veins blue? It may be an optical illusion!
Subscribe to Anna's Science Magic Show Hooray! https://bit.ly/2LLNAci

Here's the study I mentioned in the video:
https://jamanetwork.com/journals/jamadermatology/fullarticle/2533638

Do you have a science question? Let me know! I’d love to answer it in a future video. Drop it in the comments or find me on Twitter, Instagram, or Facebook.

Twitter: https://twitter.com/Anna_Rothschild
Instagram: https://www.instagram.com/annarothsch...
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