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quote:Originally posted by cannabinoidArterial blood is oxygenized, therefore red. In your fingertips, there are capillaries that get all the blood to your tissues, much of this blood is oxygenated (all your cells need oxygen) and that's what you see when your shine a light through them.This message brought to you by The Council of People Who Are Sick of Seeing More People
quote:Originally posted by chris superficial (thread) veins would look blue, not red !
quote:Originally posted by qazibasitit should coz it forms a dative bond with oxygen chris.