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When we breathe out why does …

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When we breathe out why does the air passage not collapse
  • 5 answers

Fazle Rabbi 6 years, 8 months ago

Due to presence of cartilage rings in wind pipe

Abc Xyz 6 years, 8 months ago

Residual volume of air is present

Shikhar Yadav 6 years, 8 months ago

Not muscles bones

Shikhar Yadav 6 years, 8 months ago

1. There is always some air present inside lungs. 2. Due to cartilage muscle

Kapil Upadhyay 6 years, 8 months ago

Pls ans
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