What are the Types of Epithelial tissue Epithelial tissue : Epithelial tissue is a simplest as a protective covering.Function of epithelial tissue:Epithelial cover the body surface as an outer layer of skin and provide protection to the underlying tissues from mechanical injury, drying up, entry of germs (viral or bacterial pathogens), and harmful chemicals. … [Read more...] about What are the Types of Epithelial tissue