Fill in the Blanks Fill in the blank - Epithelial tissuesOnline version Fill in the blank - Epithelial Tissues by Benjamin D Morgan 1 CAVATIES SKIN FOUR WALL MULTIPLE ORGANS PROTECT TUBES SURFACES BODY COVER STOMACH SACK Epithelial tissues line the outer of organs and blood vessels throughout the , as well as the inner surfaces of in many internal . An example is the epidermis , the outermost layer of the and organ coverings . It is one of the tissue types . The function of Epithelial tissue is to organs , different surfaces of ograns and will act like a . Specific examples may include walls of blood vessels and like the esophogus . Body cavities hold organs together like a . . . . the heart , lungs & . The sack is epithelial .