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The heart contracts twice for every heartbeat one contraction is the atrial contraction while the other is the venture true or false
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The heart contracts twice for every heartbeat one contraction is the atrial contraction while the other is the venture true or false

User Bokw
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Answer:

True. The heart contracts twice per heartbeat. One contraction is the ventricular and the other one is the artrial.

User Kcrisman
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