MCAT Question of the Day
    •

    Q:

    		 A swimmer holds her breath underwater and swims as far and fast as she can before resurfacing to breathe. At the end of this physical exertion, her blood will
    		 

    A

    		 have a lower pH

    B

    		 have a higher pH

    C

    		 have a lower nitrogen concentration

    D

    		 have a lower carbon dioxide concentration



    Circulatory System |
    Subscribe


    Connect

    Questions? We're here to help!

    Ask Us