Which muscle primarily contracts during resting inspiration?

What primarily causes normal expiration?

The nasopharynx is posterior to which structure?

What is the result of stroke volume multiplied by heart rate?

Which type of capillary is found in the liver, spleen, and red bone marrow and allows large proteins and intact cells to pass through?

Which membrane covers the outside of the lungs?

Where are the major sinuses located?

What process occurs when smooth muscle in the walls of bronchioles contracts?

What is hyperventilation?

What effect does histamine have on capillary permeability?