MCAT Question of the Day
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    Q:

    		 Which of the following is true regarding the cardiac cycle?
    		 

    A

    		 Systole is shorter than diastole

    B

    		 Blood can normally flow between the left and right ventricles

    C

    		 Blood can normally flow between the left and right atria

    D

    		 Cardiac depolarization starts at the ventricles and migrates to the atria



    Circulatory System |
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