List five major functions of epithelium in the body, and give examples of each. 1. protection; epithelium covering body surface protects against bacterial invasion and chemical damage. 2. absorption; epithelium specialized to absorb substances lines the stomach and small intestines. 3. filtration; in kidney tubules, epithelium filters (and absorbs and secretes). 4. excretion; Sweat is excreted from the body by epithelial cells in the sweat glands. 5. secretion; In glands, epithelial tissue is specialized to secrete specific chemical substances such as enzymes, hormones and lubricating fluids.
Edmonton is 685.25 sq. km (264.58 sq. miles), according to Statistics Canada. As of the 2016 Census, Edmonton's population was 932,546 people, making it the second-largest city in Alberta, after Calgary. It is the fifth-largest city in Canada. Edmonton was incorporated as a town in 1892 and as a city in 1904. Edmonton became the capital city of Alberta in 1905.
In the 2011 census, Alberta had a population of 3,645,257 living in 1,390,275 of its 1,505,007 total dwellings, a 10.8% change from its 2006 population of 3,290,350. With a land area of 640,081.87 km 2 (247,136.99 sq mi), it had a population density of 5.7/km 2 (14.7/sq mi) in 2011.