Your bronchial tubes not only bring the air from your trachea to your alveoli, they also help clean your lungs. Your bronchial tubes are covered with MUCUS, which sticks to dirt and germs that get into your lungs. The cilia work like little brooms, filtering out the dirt, etc. Therefore I think the alveoli's function is to do gas exchange with the blood.
So I would say false.
Sra
I'm not sure how to answer one of my homework questions. SraJMCGIN was nice enough to direct me to a site but I already had been there. My teacher kinda of indicted it was true but I don't know how it can- could someone take a second look, please at this question?
Is one function of the alveoli to filter out dirt and pollen before it reaches the lung and why or why not. I don't think it is because the alveoli are used to oxgenate the blood, correct. I don't think they filter out dirt or pollen, do they?
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