BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
CARDIOVASCULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Atrium do ____ % of workload of the heart.
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70%
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30%
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The upper chambers, the right and left atria, receive incoming blood. The lower chambers, the more muscular right and left ventricles, pump blood out of the heart. The heart valves, which keep blood flowing in the right direction, are gates at the chamber openings.
Detailed explanation-2: -Right side of the heart (Fig. The right atrium (RA) occupies the cranial heart base and, like the LA, consists of a large, cavernous chamber and a small, muscular appendage known as the right auricle, which projects cranially and to the left.
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