A、<p><span style="font-size: 10.5pt; font-family: 宋体;">心房收缩</span></p>
B、<p><span style="font-size: 10.5pt; font-family: 宋体;">心室舒张</span></p>
C、<p><span style="font-size: 10.5pt; font-family: 宋体;">乳头肌收缩</span></p>
D、<p><span style="font-size: 10.5pt; font-family: 宋体;">室内压高于房内压</span></p>
E、<p><span style="font-size: 10.5pt; font-family: 宋体;">房室瓣主动活动</span></p>