Which Type of Membrane Lines the Body Cavities That Open

Question

Which type of membrane lines the body cavities that open to the exterior of the body?
A) Serous membrane
B) Synovial membrane
C) Mucous membrane
D) Meninges

Accepted Answer

Mucous membranes line body cavities that open to the exterior of the body, such as the respiratory, digestive, and urogenital tracts. Serous membranes line body cavities that do not open to the exterior of the body, such as the pleural and peritoneal cavities. Synovial membranes line joint cavities, and meninges line the brain and spinal cord.