respiratory fluctuation of blood pressure

例句：

1. 1. The lungs are responsible for the respiratory process.
   肺部负责呼吸过程。
2. 2.The patient was given oxygen to help with his respiratory distress.
   病人被给予氧气以帮助缓解呼吸困难。
3. 3. The scientist studied the effects of different types of air pollution on human respiratory health.
   科学家研究了不同类型空气污染对人类呼吸健康的影响。