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12 June, 21:36

Respiratory structures in order of airflow from outside to inside the body

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  1. 12 June, 22:26
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    Air passes through is: Nostrils → nasal cavity →Pharynx → Larynx →Trachea → Bronchi (with cartilaginous rings) →Bronchioles (without rings) → Alveoli (air sacs). Alveoli are the seat of exchange of O2 / CO2 between lungs and blood.
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