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Deciphering the Riddle: Why Do Veins Appear Blue?

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Have you ever wondered what veins appear blue under our skin? It's a common wonder, and the answer isn't as simple as you might think. While blood flowing through arteries is bright red, the substance in veins appears https://mollyytut166958.blog2learn.com/84597980/deciphering-the-riddle-why-do-veins-appear-blue

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