fibrous trigones of heart

例句：

1. 1. The fibrous triangles of the heart are responsible for theproper functioning of the blood vessels.
   心脏的纤维三角负责血管的正常功能。
2. 2. The fibrous triangles of the heart playa crucial role in maintaining the health ofthe cardiovascular system.
   心脏的纤维三角在维护心血管系统的健康中起着至关重要的作用。
3. 3. Thefibrous triangles of the heartare believed to be involved in the regulationof blood pressure and heart rate.
   心脏的纤维三角被认为与血压和心率的调节有关。