laylaemaan laylaemaan

08-01-2017
Health

contestada

a structural difference between the trachea and esophagus that prevents the trachea from collapsing

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khankareem khankareem

08-01-2017

Trachea have rings of cartilages which prevent it from collapsing .

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macipope macipope

09-01-2017

I agree^ what they said is correct hope this helps !

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