PATHOLOGY

Detailed explanation-1: -Serous fluid lubricates the membrane and reduces friction and abrasion when organs in the thoracic or abdominopelvic cavity move against each other or the cavity wall.

Detailed explanation-2: -The serous membranes form fluid-filled sacs, or cavities, that are meant to cushion and reduce friction on internal organs when they move, such as when the lungs inflate or the heart beats.

Detailed explanation-3: -The function of a serous membrane is to reduce friction in the body. It does this by lining organs and body cavities with a layer of slick, lubricated cells.