The blood vessel which brings oxygenated blood from lungs towards the heart of frog is
A
Pre-caval
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B
Post-caval
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C
Pulmonary vein
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D
Pulmonary artery
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Solution
The correct option is A Pulmonary vein In amphibians as well as mammals, the deoxygenated blood is carried by pulmonary artery to the lungs and the pulmonary veins carry the oxygenated blood from lungs to the heart.