What would be an example of an everyday respiratory event the ERV simulates?

7.   What would be an example of an everyday respiratory event the ERV simulates?

1.   True or False:  At the beginning of expiration, the air pressure of the atmosphere decreases so that air can flow from the lungs outward.

2.   The changing of the airway radius in this lab simulation represents changing the size of the
a.   Nose and mouth
b.   Pharynx       
c.   Trachea
d.   Primary bronchi, secondary bronchi, other bronchi and bronchioles

1.   Which of the following processes does not occur during inspiration?
a.   The diaphragm moves to a flattened position.
b.   Gas pressure inside the lungs is lowered.
c.   Inspiratory muscles relax.
d.   The size of the thoracic cavity increases.