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why does blue blood exist in our heart?

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why does blue blood exist in our heart?

Postby valencialiew » Mon Feb 06, 2012 2:00 pm

until my daughter was born, we just realise our body have blue blood and not only red blood. Doctor told us blood blue more than red blood in our heart will cause dangerous to heart and body. how is the blood form?
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Postby JackBean » Mon Feb 06, 2012 2:12 pm

maybe because it is never blue :roll:
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Postby Adz795 » Mon Feb 06, 2012 3:34 pm

Blue blood = deoxygenated or oxygen deficient blood.
Red blood = oxygenated or oxygen rich blood.

More blue blood means less oxygen supply to the body.
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Postby JackBean » Mon Feb 06, 2012 3:55 pm

except that the deoxygenated blood is not blue, but dark red
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Postby JackBean » Mon Feb 06, 2012 3:57 pm

there was this noce topic about color of blood about763-48.html
I hope this topic won't last for five years as well... :roll:
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Postby Adz795 » Mon Feb 06, 2012 4:01 pm

Well, yeah but with "blue" blood valencialiew meant deoxygenated blood. That's the convention.
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Postby michimichi » Mon Feb 06, 2012 11:34 pm

blue blood is not literally blue in color...
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