Biology, asked by Kumari8839, 1 year ago

Why do some people have green veins and some have blue veins?

Answers

Answered by Rossily

3

The people have green veins and some have blue veins because that they are blue because the blood in veins is deoxygenated. While it is true that venous blood vessels carry a lower concentration of oxygen than their arterial counterparts this is not the reason for their blue appearance in your skin.

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