Where are the largest alveoli found in the lung?
a. Lingula
b. Apexes
c. Bases
d. Middle
ANS: B
Alveoli found in the apical regions of the vertical lung have greater diameters than those in the basal regions as a result of the gravitational effects. Those in the basal regions are partially col-lapsed as a result of the weight of the organ.
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