capacity of vascular bed

例句：

1. 1. The heart'scapacity for oxygen is a crucial factor indetermining its overall health.
   心脏对氧气的容量是决定其整体健康的关键因素。
2. 2. Thestudy found that the capacity of the bloodvessels to expand and contract plays a significantrole in maintaining blood pressure.
   研究发现，血管扩张和收缩的能力在维持血压方面起着重要作用。
3. 3. The researcher analyzed the capacity ofthe vascular bed to respond to changesin blood pressure.
   研究者分析了血管床对血压变化的响应能力。