MCAT Question of the Day
    •

    Q:

    		 Which of the following correctly describes the state of the thoracic cavity and the air pressure in the lungs upon contraction of the intercostal muscles and diaphragm?
    		 

    A

    		 The thoracic cavity expands and the air pressure in the lung increases

    B

    		 The thoracic cavity expands and the air pressure in the lung decreases

    C

    		 The thoracic cavity contracts and the air pressure in the lung increases

    D

    		 The thoracic cavity contracts and the air pressure in the lung decreases



    Respiratory System |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More