vasomotoricity

例句：

1. 1. Vasomotility is a crucial factor in the regulation of blood pressure.
   血管舒张性在血压调节中起着关键作用。
2. 2. The drug has been shown to increase vasomotoricity and improve circulation.
   该药物已被证明可以增加血管舒张性和改善血液循环。
3. 3. In response to changes in blood flow, the body's vasomotor system adjusts to maintain homeostasis.
   当血流发生变化时，身体的血管舒张系统会调整以维持稳态。