MediumZoologyBody fluid and circulation
+4 / -1
In which of the following the blood has the highest oxygen content?
A
Pulmonary artery
B
Superior vena cava
C
Pulmonary vein
D
Coronary sinus
Explanation
The pulmonary vein carries oxygenated blood from the lungs to the left atrium of the heart. Although a vein by name, it carries oxygenated blood — an exception to the general rule. The pulmonary artery, vena cava, and coronary sinus all carry deoxygenated blood.
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