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Are Veins Actually Blue? [Solved]

But this is wrong; human blood is never blue. The bluish color of veins is only an optical illusion. Blue light does not penetrate as far into tissue as red light. If the blood vessel is sufficiently deep, your eyes see more blue than red reflected light due to the blood’s partial absorption of red wavelengths.1 Jun 2018

Why are your veins blue? | We The Curious

Why are your

Your blood is red, so why are your veins blue?

What happens in our body that make our

Why are veins blue? | Anna’s Science Magic Show Hooray!

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