Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. Epithelial tissues are classified by cell shape and the number of cell layers.
Which statement is true about nearly all epithelial tissue?
All epithelial tissue produces specialized secretions.
All epithelial tissue has one surface that is adjacent to an open space.
All epithelial tissue consists of a thick layer of cells in order to provide protection.
All epithelial tissue allows for the diffusion of molecules into other adjacent tissues.