Original question is:
Which of the following is not a specialized function of epithelial coverings?
a. the exchange of gases
b. the secretion of lubricants
c. the release of odorous secretions
d. the facilitation of flexibility for movement
e. the excretion of wastes
Epithelial covering is responsible for all the tasks in (a), (b), (c), and (e) except for the (d). Exchange of gases can be mediated by epithelial tissue in ...
This solution addresses the variety of tasks mediated by epithelial covering in a body. The examples for specialized functions of epithelial cells in different parts of the body is provided. Distinctive roles of epithelial covering are emphasized.