ch 17

Match the lung capacity with its description. A. total lung capacity B. inspiratory capacity C. vital capacity D. functional residual capacity the amount of air remaining in the lungs after a normal breath

d

In quiet breathing, inspiration involves ----- ------- and ----- is passive

inspiration involves muscular contractions and expiration is passive

When the diaphragm, external intercostal and scalene muscles contract,

intrapleural pressure decreases

The distance between the alveolar air space and capillary endothelium is ________, allowing gases to diffuse ________ between them.

short, rapidly

Which feature of the alveoli allows for the ease of diffusion of gases?

they are made of a single layer of epithelium

t or f When alveolar pressure is equal to atmospheric pressure, air flows into the lungs.

true