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In man and mammals, air passes from outs...

In man and mammals, air passes from outside into the lungs through

A

Nasal cavity `rarr` pharynx `rarr` larynx `rarr` trachea `rarr` bronchioles `rarr` bronchi `rarr` alveoli

B

Nasal cavity `rarr` pharynx `rarr` larynx `rarr` trachea `rarr` bronchi `rarr` bronchioles `rarr` alveoli

C

Nasal cavity `rarr` larynx `rarr` pharynx `rarr` trachea `rarr` bronchi `rarr` alveoli

D

Nasal cavity `rarr` larynx `rarr` pharynx `rarr` trachea `rarr` bronchioles `rarr` alveoli

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The correct Answer is:
B
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