MCAT Question of the Day
    •

    Q:

    		 Which of the following vessels contain one-way valves?

    I. arterioles
    II. veins
    III. lymphatic vessels
    		 

    A

    		 II only

    B

    		 I and III only

    C

    		 II and III only

    D

    		 I, II and III only



    Circulatory System |
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