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.
(1) Epithelial tissue also called epithelium, covers body surfaces and organs and lines the body cavities. (2) Connective tissue binds and supports body parts; (3) Muscular tissue contracts; (4) Nervous tissue responds to stimuli and transmits impulses from one body part to another. Epithelial Tissue. Type.