A simple squamous epithelium is specialized for:
a. Adaptation to rapid changes in the volume of a hollow organ
b. Diffusion of molecules between a lumen and underlying connective tissue
c. Movement of mucus within the respiratory system
d. Protection of underlying connective tissue from abrasion or desiccation
e. Secretion of proteins into a lumen
ANS: B
The thin cytoplasm of flat, simple squamous cells enhances the diffusion of molecules across this epithelium. See 2-2.
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