MCAT Question of the Day
    •

    Q:

    		 What is the mechanism of oxygen transport from the lungs into the bloodstream?
    		 

    A

    		 Osmosis

    B

    		 Simple Diffusion

    C

    		 Active transport

    D

    		 Facilitated diffusion



    Respiratory System | Circulatory System | Gases |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More