What is the term for the passive movement of gas molecules from a high partial pressure to an area of low partial pressure until both areas are equal in pressure?

For a healthy adult at rest, what is the normal pressure gradient for oxygen across the alveolar-capillary membrane when breathing at sea level?

The pressure required to generate airflow is

What is term for the movement of an individual gas molecules from an area of high pressure to an area of low pressure?

List 2 primary functions of the upper airways.

What is the sum of anatomic dead space and alveolar dead space equal?

List the 3 parts the pharynx is divided into:

Which physical low explains elastance?

Which structure extends from the posterior portion of the nasal cavity to the superior portion of the soft palate.

Which is NOT a wall layer for pulmonary arteries?