PHYSIOLOGY
PULMONARY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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high in oxygen, low in carbon dioxide
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high in oxygen, high in carbon dioxide
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low in oxygen, low in carbon dioxide
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low in oxygen, high in carbon dioxide
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Detailed explanation-1: -A crucial difference is that your pulmonary artery carries oxygen-poor (deoxygenated) blood, while your aorta carries oxygen-rich (oxygenated) blood. In fact, your pulmonary arteries are the only arteries in your body that carry oxygen-poor blood.
Detailed explanation-2: -The pulmonary vein brings oxygenated blood back from the lungs to the heart. The lungs take care of pulling out the carbon dioxide from the blood and adding more oxygen to it. Therefore, the pulmonary vein will have the highest concentration of oxygen as well as the lowest concentration of carbon dioxide.
Detailed explanation-3: -Your pulmonary veins are the only veins in your body that carry oxygen-rich blood. All your other veins carry oxygen-poor blood. Similarly, your pulmonary arteries are the only arteries that carry oxygen-poor blood.