MCAT Question of the Day
    •

    Q:

    		 Which of the following structures of the heart is responsible for slowing electrical conduction?
    		 

    A

    		 SA node

    B

    		 AV node

    C

    		 atrial cardiomyocytes

    D

    		 ventricular cardiomyocytes



    Circulatory System |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More