A difference between mucous membranes and serous membranes is
A) whether the cavity is open to the exterior or not.
B) the amount of blood vessels lining the cavity wall.
C) whether the tissue is epithelial or connective.
D) the density of collagen fibers in the cavity wall.
E) whether the membrane is thick or thin.

Question

Quizplus · Accepted Answer

Mucous membranes line body cavities that open to the exterior (such as the digestive and respiratory tracts), while serous membranes line cavities that do not open to the exterior (such as the thoracic and abdominal cavities).

A Difference Between Mucous Membranes and Serous Membranes Is