The venae cavae has two divisions.

腔静脉有两个分支。

The venae cavae empties the deoxygenated blood into the right atrium of the heart.

腔静脉将脱氧血注入心脏的右心房。

Small veins converge to form larger and larger veins, which eventually drain into the venae cavae.

小静脉汇聚形成越来越大的静脉，这些静脉最终排入腔静脉。

Because the venae cavae is your largest vein, you can recall this term by thinking of the venae cavae as the vein with the biggest cavity.

因为腔静脉是最大的静脉，我们可以将腔静脉看作是腔最大的静脉来回忆这个术语。

The venae cavae has two divisions: the superior vena cava and the inferior vena cava, and these divisions both return blood to the right atrium of the heart.

上腔静脉和下腔静脉，这些分支都将血液回流到心脏的右心房。

They drain your body tissues, and then merge to make larger and larger veins and finally converge to form the largest veins in the body, called the venae cavae.

它们排出身体组织，然后汇合形成越来越大的静脉，最后汇合形成体内最大的静脉，称为腔静脉。

Blood returning from tissues other than the lungs enters the heart by way of the venae cavae; the superior vena cava and the inferior vena cava. The venae cavae empty into the right atrium.

当心房收缩时，右房内血液经三尖瓣进入右室。