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Deciphering the Riddle: Why Do Veins Appear Blue?

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Have you ever wondered what veins appear blue through 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 liquid in veins appears https://berthawmux743212.total-blog.com/exploring-the-secret-why-is-blood-in-veins-blue-62305716

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