EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the correct order of the flow of air from the nose to the lungs
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nose, trachea, pharynx, lungs
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nose, pharynx, trachea, lungs
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nose, trachea, lungs, pharynx
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None of the above
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Explanation:
Detailed explanation-1: -Air is inhaled through the mouth or the nose. The sequence of air passage during inhalation is as follows: Nostrils→pharynx→larynx→trachea→alveoli.
Detailed explanation-2: -Blood rich in carbon dioxide travels to the heart, which pumps it to the lungs. Carbon dioxide goes from the capillaries around the alveoli into the alveoli. Then carbon dioxide goes up the bronchioles to the bronchi, and then to the trachea to be exhaled.
Detailed explanation-3: -The correct sequence of the air passage in man is Nasal cavity → pharynx→larynx→trachea→bronchi→bronchioles→alveoli.
There is 1 question to complete.