Simple squamous Stratified squamous Lines blood vessels Outer layer of skin and air sacs mouth, vag na of lungs Protects against Permits exchange abrasion, drying of nutrients, wastes out, infection and gases Simple cuboidal Stratified cuboidal Lines kidney Lines ducts of tubules and glands 8 sweat glands Secretes and Secretes water reabsorbs water and 10 ns and small molecules Simple columnar Lines most Stratified columnar digestive organs Lines epididymus. Absorbs nutnents mammary glands produces mucus larynx Secretes mucus Goblet cell Basement membrane (a)Most epithelial tissues line or cover surfaces or body cavities Copyright @2001 Benjamin Cummings, an imprint of Addison Wesley Longman, Inc