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Question

15 Oct 2008

Colour of blood
When blood was drawn from my husband the colour was very dark,almost black.What can the reason be for this.
Answer 393 views
Expert
CyberDoc
cyberdoc

01 Jan 0001

Dear Cathy
If they draw blood from a vein it has low oxygen levels (arteries carry oxygen rich blood) and the colour is dark red.
Dr Bets
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