breathing system

基本解释

Air pollution contributes to diseases in the breathing system.
空气污染造成了呼吸系统的疾病。
Dinosaurs possessed a highly efficient bird-like breathing system involving large numbers of air sacs permeating their body cavity and bones.
恐龙具有一个类似于鸟类的高效率呼吸系统，有很多气囊分布在体腔和骨骼中。
（Think of your filing system not as a rigid tool, but as a living, breathing system that can accommodate your changing needs.） A good filing system is both mentally and physically flexible.
分析：段落中反复出现的filing system暗示答案选项应该是B或C，而段落的第2句话：A good filing system is both mentally and physically flexible.（一个好的文件归档系统能够灵活的适应精神上（工作）和身体上的需要）正好与C呼应，而段首句的内容（你的文件归档系统能够满足你不断变化的需要）也是与C更加呼应，因此判断C是答案。

C.D.C. official Janet Collins says breathing secondhand smoke has immediate harmful effects on a person's heart-and-lung system.
Scientists say enough oxygen remains in a person's system for several minutes after breathing stops.

Instead of static, boring quests in an unchanging world, our dynamic event system creates a living, breathing world that bustles with energy and responds to player actions.
FORBES: 'Guild Wars 2' - A Grind By Any Other Name
If a bedridden person or baby moves, the wireless system detects the movement but cannot measure their breathing at the same time.
ENGADGET: Researchers use wireless network to monitor breathing, could save lives