arteria mammaria interna

例句：

1. 1. The arterial blood flow is essential for the proper functioning of the heart.
   动脉血流对于心脏的正常功能至关重要。
2. 2.The ductus arteriosus is a narrow channel that connects the right and left sides of the heart.
   动脉导管是连接右心房和左心房的狭窄通道。
3. 3. The veins carry deoxygenated blood back to the heart, where it is oxygenated before being pumped out into the body.
   静脉将缺氧的血液输送回心脏，在那里进行氧合后被泵出体表。