来自《耶鲁大学开放课程：生物医学工程探索 第14集 第14集》
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in the aorta would be somewhere between 120 and 80 mmHg,基本会维持在120到80mmHg之间 -
so let's just call it 90 here.我们假设这里是90吧 -
The pressure in the aorta is 90.主动脉的血压是90 -
If you think about the whole circuit,如果你思考一下在整个循环系统中 -
this blood has to flow from the aorta,血液得从主动脉流出 -
through the systemic circulation and back into the right atrium.通过体循环回到右心房 -
In the right atrium it's at the end of右心房是血液旅程的终点 -
its journey and that pressure there is approximately 0.在此血压大约为0 -
The pressure drop that's driving blood那么驱动血液流过 -
through the systemic circulatory system is ΔP of 90-0.体循环系统的血压差就是90减0 -
The pressure that's generated在左心室产生的血压 -
here gets used completely in driving the flow around.在驱动血流循环中消耗殆尽