Choose the correct answer from the alternatives given. In the pulmonary circuit, the __ hearts half pumps blood to lungs, then __ blood flows to the heart.
A
right; oxygen-poor
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B
right; oxygen-rich
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C
left; oxygen-poor
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D
left; oxygen-rich
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Solution
The correct option is B right; oxygen-rich
Pulmonary circulation starts from the right ventricle, which sends the blood into the pulmonary artery to reach lungs. From lungs, oxygenated blood returns to the left auricle of the heart through pulmonary veins.