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Complete the passage to describe the function of the heart. The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper ch…

Complete the passage to describe the function of the heart. The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper ch…
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Complete the passage to describe the function of the heart.

The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper
chambers of the heart are called and the lower chambers of the heart are called

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User Fafl
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Answer:

The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper chambers of the heart are called atria, and the lower chambers of the heart are called ventricles.

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User Brenda Jimenez
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