STANDARD Zoology Respiratory System MCQ Question
In man and mammals, air passes from outside into the lungs through

Nasal cavity, larynx, pharynx, trachea bronchi, alveoli
Nasal cavity, larynx, pharynx, trachea, bronchioles, alveoli
Nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli
Nasal cavity, pharynx, larynx, trachea, bronchi, alveoli
Correct Answer
Detailed Explanation
The correct sequence for the passage of air in mammals is nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli. This pathway ensures that air is properly filtered, warmed, and humidified before reaching the alveoli for gas exchange.
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