6 Cigarette smoke has a number of harmful effects on the lungs, one of which is

Question

6 Cigarette smoke has a number of harmful effects on the lungs, one of which is the destruction of the cilia lining the respiratory tract. Predict how this will affect the functions of the respiratory epithelium. 17The most common site for obstruction in a choking victim is the right primary bronchus. Explain why the obstruction tends to lodge in the right primary bronchus rather than the left primary bronchus. (Hint: Consider the structure of the right versus the left primary bronchus.) 532 I Exploring Anatomy& Physiology in the Labo Female ml

Explanation / Answer

6) The cilia present in the respiratory tract helps in the rhythmic waving motion which helps in the removal of dirt and mucus from the respiratory tract. It also helps to filter out the impurities present in the inspired air and prevents them from reaching the alveoli. Therefore, the destruction of cilia by cigarette smoking results in the loss of the above said functions.

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