Question

which type of membrane lines the ventral internal body cavity?
serous
cutaneous
mucus
synovial

Explanation:

Serous membranes line the ventral internal body cavities. They secrete a thin, watery fluid that reduces friction between organs and cavity walls. Cutaneous membranes are skin, mucus membranes line body cavities that open to the exterior, and synovial membranes line joint cavities.

Answer:

A. Serous