Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is 2. A. Greater than the intra-alveolar pressure 3. Less than the pressure in the atmosphere 4. Equal to the pressure in the atmosphere 5. Greater than the pressure in the atmosphere 2. A vaccine is effective because A.The vaccine contains the lymphocytes necessary to fight infection B. The secondary response of the adaptive immunity is faster and more efficient then primary response C. B-lymphocytes are unable to mount an immune response the first time they are exposed to a new pathogen D. The vaccine contains the antibodies necessary to fight infection

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