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.
When the 2016 census was taken last May 10, the population of the census metropolitan area of Calgary was 1,392,609, compared with 1,214,839 from the 2011 census. Calgary had the highest growth rate of any metropolitan area in Canada over the past five years, despite being in the throes of an economic downturn, according to the latest census data.