It is interesting that the decrease in elastic recoil of the lungs and progressive stiffening of the chest wall serendipitously counteract each other with no net significant change in absolute FRC.

 
  • 有趣的是,肺彈性回縮力的減少和進(jìn)行性的胸壁僵硬相互抵消使絕對肺功能殘氣量沒(méi)有多大變化。
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