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Deciphering the Riddle: Why Do Veins Appear Blue?

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Have you ever wondered how veins appear blue against our skin? It's a common curiosity, and the answer isn't as simple as you might think. While blood flowing through arteries is bright red, the liquid in veins appears https://jasonyshb430379.estate-blog.com/36075165/unveiling-the-mystery-why-are-veins-blue

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