Intrapulmonary pressure is the ________.

A) pressure within the pleural cavity
B) pressure within the alveoli of the lungs
C) difference between the atmospheric pressure and respiratory pressure
D) none of the above

Intrapulmonary Pressure

The pressure within the lung alveoli, vital for the process of breathing and gas exchange.

Pleural Cavity

The fluid-filled space between the two layers of the pleura, surrounding each lung.

Atmospheric Pressure

The force per unit area exerted against a surface by the weight of air above that surface in the earth's atmosphere.