第四章血液循环 心脏的泵血功能 心肌的生物电现象 3 血管生理 4 心血管活动的调节
Contents 1 心脏的泵血功能 2 心肌的生物电现象 3 血管生理 4 心血管活动的调节 第四章 血液循环
Seaction1心心脏的泵血功能
Seaction1 心脏的泵血功能
右心：泵血入肺循环 左心：泵血入体循环 毛细淋巴营 淋巴流 肺盾环 毛细血管取 林巴结 淋巴管 L.atrium ventricle R.atrium Blood flow R.ventricle 体循环 毛细血爸网 毛细林巴营
右心：泵血入肺循环 左心：泵血入体循环
心动周期Cardiac cycle Cardic cycle The cardiac cycle includes two phases:systole and diastole,which forms into one activity cycle. 心房或心室每收缩和舒张一次称心动周期 01.201345060708 收缩期0.3秒 时间(s) Nentricles 心房 舒 contract Atria relax 心室 舒 舒 Atria 房室瓣 开 关 开 contract 半月瓣 关 开 关 Ventricles relax and fill 心音 舒张期0.5秒
Cardic cycle The cardiac cycle includes two phases:systole and diastole ,which forms into one activity cycle. 心房或心室每收缩和舒张一次称心动周期 心动周期 Cardiac cycle
心动周期 w The Cardiac Cycle 00 4) 目 Play Pause Audio Text Ventricular contraction causes the atrioventricular(AV)valves to close,which signals the beginning of ventricular systole.The semilunar valves were closed during the previous diastole and remain closed during this period. Copyright The McGraw Hill Companies,Inc
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