Epithelial tissue ________

A) None of the listed responses is correct.
B) has two free surfaces
C) does not have cell junctions
D) is avascular


D
Explanation:
A) One of the listed responses is correct.
B) An epithelium always has one free surface where the cells are exposed either to the external environment or to an internal passageway.
C) Epithelium is made up of sheets of cells, with the cells tightly joined together by a variety of strong intercellular connections.

Anatomy & Physiology

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Fill in the blank(s) with the appropriate word(s).

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The maintenance of blood flow by tissues is called ________.

Fill in the blank(s) with the appropriate word(s).

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Which of the following is NOT true of a steroid hormone?

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