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Question

Which of the following is the correct sequence of air passage during inhalation ?  
(a) nostrils larynx pharynx trachea lungs
(b) nasal passage trachea pharynx lirynx alveoli
(c) larynx nostrils pharynx lungs
(d) nostrils pharynx larynx trachea alevoli


Solution

(d) Nostrilspharynxlarynxtracheaalveoli

The air for respiration is drawn into our body through the nostrils, it then goes into the nasal passage. From there, air enters into pharynx, larynx, then into the trachea, bronchi, lungs and finally to the alveoli where gaseous exchange takes place.



Biology
Science for Tenth Class - Part III - Biology
Standard X

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