Their type II cells secrete surfactants to reduce surface tension and thereby prevent atelectasis, the collapse of the lung, and emphysema causes the elastin in their walls to break down.
These structures are connected to their neighbors by pores of Kohn. Their type II cells secrete surfactants to reduce surface tension and thereby prevent atelectasis, the collapse of the lung, and emphysema causes the elastin in their walls to break down. Oxygen diffuses into the blood stream at, for 10 points, which spherical sacs located at the ends of the bronchioles in the lungs?
These structures are connected to their neighbors by pores of Kohn.
{alveoli} [or {alveolus}]