Which of the following blood vessels carry blood rich in carbon dioxide?
Options:
A .  
Arteries
B .  
Veins
C .  
Pulmonary artery
D .  
Pulmonary vein
Answer: Option B : B and C A vein is a blood vessel that transports blood from all parts of the body to the heart. They carry deoxygenated blood back from the body to the heart. Pulmonary artey carries blood which is rich in carbon dioxide from the right ventricle of the heart to the lungs for oxygenation.
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