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.
Over the course of the year, the temperature in Edmonton typically varies from 6Â°F to 75Â°F and is rarely below -16Â°F or above 84Â°F. The warm season lasts for 125 days, from May 15 to September 17, with an average daily high temperature above 64Â°F. The hottest day of the year is July 25, with an average high of 75Â°F and low of 55Â°F.