Answer:
Epithelial tissue is the type of a tissue which covers the surface of the body.
Explanation:
Epithelial tissue also known as epithelium refers to the sheet of cells which covers the exterior surfaces of the body,linings of the internal cavities, passageways and forms certain glands.
The no.of cell layers and cell types give rise to 6 different types of epithelial tissues:
Four functions of the epithelial tissues are: