Question: where does the left ventricle send blood to
[{'answer': 'aorta', 'provenance': [{'wikipedia_id': '242360', 'title': 'Systole', 'start_paragraph_id': 3, 'start_character': 480, 'end_paragraph_id': 3, 'end_character': 485, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]