Question: about 80 of blood is passed from the atria to ventricles by
[{'answer': 'the active suction period', 'provenance': [{'wikipedia_id': '610617', 'title': 'Diastole', 'start_paragraph_id': 8, 'start_character': 533, 'end_paragraph_id': 8, 'end_character': 558, 'bleu_score': 1.0, 'section': 'Section::::Role in cardiac cycle.:Late ventricular diastole.\n'}]}, {'provenance': [{'wikipedia_id': '610617', 'title': 'Diastole', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 558, 'bleu_score': 0.9382880328341491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7281076767173677748}, 'section': 'Section::::Role in cardiac cycle.:Late ventricular diastole.\n'}]}]