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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The heart has four chambers. The upper chambers are called ____
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Upper and lower atriums
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Upper and lower ventricles
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Right and left atriums
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Right and left ventricles
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Explanation:
Detailed explanation-1: -The four chambers of the heart There are four chambers: the left atrium and right atrium (upper chambers), and the left ventricle and right ventricle (lower chambers).
Detailed explanation-2: -The upper chambers-the right and left atria-receive incoming blood. The lower chambers-the right and left ventricles-pump blood out of your heart.
Detailed explanation-3: -The two upper chambers of your heart are called atria, and the two lower chambers are called ventricle.
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