Which statement is true about serous membranes?

Prepare for the Marieb Language of Anatomy Exam. Utilize multiple choice questions, flashcards, and explanations for each answer. Ace your exam with confidence!

Serous membranes are double-layered, lining closed body cavities and covering the organs within them. They consist of a delicate sheet of mesothelium (simple squamous epithelium) with underlying connective tissue, arranged in two layers: a parietal layer that lines the cavity walls and a visceral layer that covers the organs. The space between these two layers holds serous fluid, which lets the organs slide smoothly as they move.

This setup explains why the statement is true: serous membranes inherently have parietal and visceral layers. They are not built with mucous glands (those belong to mucous membranes) and they are not made of fibrous tissue only, since they include an epithelial layer that secretes the lubricating serous fluid. They also do not secrete chyme, which is digestive content produced in the stomach and intestines.