In 1909, Western Union and ADT came under the control of American Telephone & Telegraph Company (AT&T). ADT began to expand into new areas, such as fire alarms and security alarms between 1910 and 1930, but was kept separate from AT&T's Holmes alarm business. ADT became a publicly owned company in the 1960s.
It has moist membranes. Many, but not all (urinary), secrete mucous. Serous: Lines open body cavities that are closed to the exterior body surface. composed of simple squamous epithelium resting on thin layer of areolar connective tissue.
What type of tissue lines the outer surface of the body and the inner surfaces of the intestines hollow organs and lungs? The term is epithelial tissue. It includes the outer skin, the  ciliated tissue that lines the lungs, and the mucous membranes of  the nasal cavity, digestive system, and â¦excretory system.