![Pulmonary artery differs from pulmonary vein in having](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Pulmonary-artery-differs-from-pulmonary-vein-in-having.png)
Q. Pulmonary artery differs from pulmonary vein in having
A. thick wall
B. thin wall
C. valves
D. both B and C
Answer: thick wall
A. thick wall
B. thin wall
C. valves
D. both B and C
Answer: thick wall
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