Define pulmonary artery and pulmonary vein. what are the functions of pulmonary Artery and vein?
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17
Explanation:
The pulmonary arteries and the pulmonary veins are the vessels of the pulmonary circulation; which means they are responsible for carrying the oxygenated blood to the heart from the lungs and carrying the deoxygenated blood from the heart to the lungs.
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5
ANSWER
Thick wall as they both possess endothelium derived relasing factor.
Pulmonary Artery Pulmonary vein
→ one pair
→ Blood in pulmonary Artery is deoxygenated
→ Blood pressure is higher
→ Wall is thick & elastic
→ two pair
→ Blood is oxygenated
→ is comparatively lower
→ comparatively thinner
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