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Question 10 (1 point) The diagram below shows a simplified version of the Wigger's diagram which summarizes the events of one cardiac cycle. 120 100 Aorta C 80 PRESSURE (mmHg) 60 -Left ventricle 40 20 a Left atrium ECG S 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 TIME (sec) The second heart sound occurs at point