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No, just like us the unoxygenated blood is blood is blue the oxygenated blood is red

Without oxygen, blood is red. It may look slightly red-violet, but it is always a shade of red. The reason one's veins may appear blue is because of the way light is filtered through the skin. Biology textbooks use blue because it is easier to tell the difference. As far as silkworms go, some sources say they can have yellow or white blood, so it's possible. I suppose it depends on the silkworm.

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10y ago

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