[edit] Structure Each serous membrane is composed of a secretory epithelial layer and a connective tissue layer underneath. The epithelial layer, known as mesothelium, consists of a single layer of avascular flat nucleated cells (simple squamous epithelium) which produce the lubricating serous fluid.
About MattyB. Matthew David Morris aka MattyB is a 12-year-old pop singer/rapper from Atlanta, GA. He was born on January 6, 2003. Since beginning his music career at age 7, he has quickly become an Internet superstar with more than 2 Billion video views and 5 million YouTube subscribers. His social media consists of over 8 million followers on Facebook & Twitter combined.
Go ahead and find out what you know about yourself and the world around you. Best of luck!! Coverage: All it takes is two minutes to take the Mattyb Raps Quiz and find out how much you know about the quiz and the characters in the quiz. Quiz Created by: RebbeccabCreation Date: 8 October 2012. 1.