Your blood is red, so why are your veins blue?
Why Are Veins Blue?
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Why do our veins look blue when blood is red
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Why veins appear blue| സിരകൾ നീലനിറത്തിൽ കാണപ്പെടുന്നത് എന്തുകൊണ്ട് |ഇതിന്റെ സയൻസ് എന്ത്
नसे हरि क्यूँ दिखाई देती है? | क्या नसो का खून नीला होता हैं? | Why VEINS look Blue or GREEN ?
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जानें आखिर क्यों नसें दिखती है नीली-हरी? Why Veins look Green and Blue , Know the Reason
Why do our veins appear green?💉💉
