EVERYTHING ABOUT CấU TạO BơM MàNG KHí NéN

Considering the fact that thoracic pressure decreases upon inspiration and draws the caval blood upwards toward the proper atrium, rising the dimensions from the opening allows a lot more blood to return to the guts, maximizing the efficacy of reduced thoracic tension returning blood to the heart. The aorta does not pierce the diaphragm but rather