Question

what is epithelium ?Give right answer

Answer 1

Epithelium (/ˌɛpɪˈθiːliəm/) is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs.

Answer 2

the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.