I've always wondered: why do our veins look blue when our blood is red?
- Written by: David Irving, Adjunct Professor, University of Technology Sydney
Our veins only appear blue through the skin, they're actually red. from www.shutterstock.com
This is an article from I’ve Always Wondered, a series where readers send in questions they’d like an expert to answer. Send your question to alwayswondered@theconversation.edu.au
I’ve always wondered why our veins are blue, when blood is...
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