MCAT Question of the Day
    •

    Q:

    		 Which of the following statements regarding capillaries is false?
    		 

    A

    		 Capillaries are the smallest blood vessels in the body

    B

    		 Capillary walls are 1 cell thick

    C

    		 Capillaries dead end, returning deoxygenated blood to their original arterioles which lead directly to venules

    D

    		 Nonpolar molecules such as gasses diffuse through capillary walls without special transport mechanisms.



    Circulatory System |
    Subscribe


    Connect

    Questions? We're here to help!

    Ask Us