question archive What function do the alveolar sacs serve in the respiratory system? 1 - cool and clean the air before it moves to the capillaries 2- warm and clean the air before it moves to the alveoli 3 - increase surface area for gas exchange with the capillaries 4 - decrease pathogens in the air before it moves to the alveoli
What function do the alveolar sacs serve in the respiratory system? 1 - cool and clean the air before it moves to the capillaries 2- warm and clean the air before it moves to the alveoli 3 - increase surface area for gas exchange with the capillaries 4 - decrease pathogens in the air before it moves to the alveoli
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What function do the alveolar sacs serve in the respiratory system?
1 - cool and clean the air before it moves to the capillaries
2- warm and clean the air before it moves to the alveoli
3 - increase surface area for gas exchange with the capillaries
4 - decrease pathogens in the air before it moves to the alveoli
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3 - increase surface area for gas exchange with the capillaries
