A. Carry pure blood from heart to lungs
B. Carry impure blood from lungs to heart
C. Carry pure blood from lungs to heart
D. Carry impure blood to lungs
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B. Carry impure blood from lungs to heart Pulmonary veins carry impure blood from lungs to heart.
B. Carry impure blood from lungs to heart
Pulmonary veins carry impure blood from lungs to heart.
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