Namaste, iam Andrew Corey, Asalam walekum.
Why Do Veins Appear Blue? [Solved]
Veins appear blue because blue light is reflected back to our eyes. Blue light does not penetrate human tissue as deeply as red light does. As a result, veins that are close to the surface of the skin will be more likely to reflect blue light back to the eye.”
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Whenever we see blood outside our body it looks Red. But then why the blood