Which layer of the alimentary canal is composed of simple squamous epithelium and areolar connective tissue?

The serosa is the outermost layer of the intraperitoneal organs (it's also considered the visceral peritoneum). In most alimentary canal organs, its made up of areolar connective tissue covered with mesothelium, a single layer of squamous epithelial cells

Explanation:

Hope this helps

sorry, but you do not have posted the diagram.