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  • Which is the correct sequence of air passage during inhalation?

 Which is the correct sequence of air passage during inhalation?
(a) Nostrils \rightarrow larynx \rightarrow pharynx \rightarrow trachea \rightarrow lungs
(b) Nasal passage \rightarrow trachea \rightarrow pharynx \rightarrow larynx \rightarrow alveoli
(c) larynx \rightarrow nostrils \rightarrow pharynx \rightarrow lungs
(d) Nostrils \rightarrow pharynx \rightarrow larynx \rightarrow trachea \rightarrow alveoli

Answers (1)

Air is drawn into our body through the nostrils, then it goes into the nasal passage from there it enters the pharynx then to larynx to the trachea to finally alveoli where the final oxygen and carbon dioxide are exchanged.
So the correct passage is: Nostrils ⇒ pharynx ⇒ larynx ⇒ trachea ⇒ alveoli
Hence option (d) is correct.

Posted by

infoexpert26

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