Which of the following parts is not involved in pulmonary circulation?
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Left ventricle
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Right ventricle
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Left atrium
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Pulmonary artery
-
Pulmonary vein
A
Correct answer
Explanation
This is the correct answer. The right ventricle pumps blood into the pulmonary trunk, which divides into the pulmonary arteries going to the lungs; then blood is returned to the left atrium from the lungs through the pulmonary veins. This is called the pulmonary circulation. Hence, this part is not involved.