What are the thin sheets of tissue that lubricate and line the body surfaces that open to the outside environment?
A) Mucous membranes
B) Serous membranes
C) Cytoplasm
D) Involuntary visceral muscles

Question

Quizplus · Accepted Answer

Mucous membranes are the thin sheets of tissue that lubricate and line the body surfaces that open to the outside environment, such as the mouth, nose, throat, and other channels that lead to the exterior of the body.

What Are the Thin Sheets of Tissue That Lubricate and Line