NEET BIOLOGY

Detailed explanation-1: -The epithelium is a type of body tissue that forms the covering on all internal and external surfaces of your body, lines body cavities and hollow organs and is the major tissue in glands.

Detailed explanation-2: -Epithelial tissue or epithelium forms the outer covering of the skin and also lines the body cavity. It forms the lining of respiratory, digestive, reproductive and excretory tracts.

Detailed explanation-3: -All layers and organs in the body are lined by a group of tissues called epithelial tissues which are commonly referred to as epithelium. They cover the surface of all internal as well as external organs.

Detailed explanation-4: -Epithelial tissues are present as the outer covering of the skin and epithelium also lines the body cavities such as respiratory tract, digestive tract, etc.