Answer: pulmonary artery
Explanation:
The pulmonary artery carries oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta carries oxygen-rich blood to the body from the left ventricle.
A. Retrograde
B.Anterograde
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Diagnosis code hope this helps :)
