The main function of the respiratory system is to provide passages and room for gaseous exchange.

呼吸系统的主要功用是提供空气到肺的通路及气体交换的场所。

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Objective To evaluate the relationship between the pulmonary function with impulse oscillation system and postoperative respiratory complications of esophagus carcinoma and gastric cardiac carcinoma.

目的探讨脉冲振荡肺功能与食管癌贲门癌术后呼吸系统并发症的关系。

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Results (1)The damage to hepatic function, cardiac damage respiratory system disorders, blepharoedema and hematological system disorders were the common complications.

结果（1）传单常见的并发症是肝功能损害、心肌损害、呼吸系统损害、眼睑水肿、血液系统损害等。

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"There is a worsening of the respiratory function, related to the state of his depressed immune system, " Villegas said, reading an official statement on state-run VTV.

CNN: Battling a new infection, Chavez has breathing problems