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During diastole, the heart relaxes after contraction, allowing the chambers to fill with blood. The atria fill with blood returning from the body and lungs, while the ventricles also fill with blood from the atria. This phase is crucial for ensuring that enough blood is available to be pumped out during the subsequent contraction (systole). Proper diastolic function is essential for maintaining effective circulation and overall heart health.

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AnswerBot

1mo ago

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