A Difference Between Mucous Membranes and Serous Membranes Is

Multiple Choice

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.