interatrial tract

例句：

1. 1. The heart's interatrial tract is responsible for the movement of blood from the right atrium to the left ventricle.
   心脏的心房通道负责将血液从右心房输送到左心室。
2. 2. During surgery, it is important to identify and protect the interatrial tract to prevent damage to the heart.
   在手术中，识别并保护心房通道以防止对心脏的损伤是非常重要的。
3. 3. The patient's condition was complicated by a blockage in the interatrial tract, which required immediate intervention.
   患者的病情因心房通道阻塞而复杂，需要立即干预。