Assertion: Oxygenated blood flows in pulmonary arter.
Reason : Arteries have narrow lumen
Answers
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17
both assertion and reason are false
Explanation:
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Answered by
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Assertion:
Complete answer:
Veins carry oxygenated blood from various body organs to the heart. The pulmonary artery carries the deoxygenated blood from the heart to the lungs whereas the pulmonary vein carries oxygenated blood from the lungs to the heart.
Reason:
Complete answer:
Each type of vessel has a lumen—a hollow passageway through which blood flows. Arteries have smaller lumens than veins, a characteristic that helps to maintain the pressure of blood moving through the system.
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