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Blood in Your Veins Is Not Blue — Here's Why It's Always Red
Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying […]
Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying […]heme
Blood in Your Veins Is Not Blue — Here's Why It's Always Red
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