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In which of the following does blood have the lowest concentration of oxygen:

-a coronary artery
-b inferior vena cava
-c pulmonary vein
-d carotid artery

User Patnz
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2 Answers

5 votes
In which of the following does blood have the lowest concentration of oxygen:
-b inferior vena cava
User Jwkoo
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7 votes
b - the inferior vena cava
User Snehal Parmar
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