MCAT Question of the Day
    •

    Q:

    		 Alveolar surfactant primarily serves to:
    		 

    A

    		 increase the functional surface area of the lungs.

    B

    		 moisten and increase temperature of incoming air.

    C

    		 actively prevent pathogens from entering the bloodstream.

    D

    		 increase compliance of the lungs.



    Respiratory System |
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