MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following describes pulmonary circulation?
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Deoxygenated blood is elivered to the lungs by the aorta.
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Oxygenated blood is returned to the right atrium by the pulmonary vein.
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At the capillaries, the blood changes from blue to red as it picks up oxygen.
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At the capillaries, the blood changes from red to blue as it drops off oxygen in body tissues.
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Explanation:
Detailed explanation-1: -It can be oxygenated (oxygen-rich) or deoxygenated (oxygen-poor). Oxygenated blood is red on a circulatory diagram, while deoxygenated blood is represented in blue color.
Detailed explanation-2: -The pulmonary artery is shown in blue to denote that it carries deoxygenated blood. For representation purposes, the blood vessels carrying oxygenated blood are shown in red and those carrying deoxygenated blood are shown in blue.
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