In some in some old people there are blood vessels on the outside of the hand what are this what are these veins are arteries veins and arteries
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both are present veins and arteries
arteries are of red colour and veins of greenish blue .
both has to be there as 1 carry oxygenated and another deoxygenated blood.
arteries are of red colour and veins of greenish blue .
both has to be there as 1 carry oxygenated and another deoxygenated blood.
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