LIFE SCIENCE

Detailed explanation-1: -Epithelium, endothelium and mesothelium are three types of epithelial cell layers that line your internal organs, body cavities and form the outer layer of your skin.

Detailed explanation-2: -Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.

Detailed explanation-3: -Epithelial tissue is a membranous tissue made up of cells that form various surfaces and linings throughout the body.

Detailed explanation-4: -The four major classes of simple epithelium are: 1) simple squamous; 2) simple cuboidal; 3) simple columnar; and 4) pseudostratified.

Detailed explanation-5: -The type of tissue that make up the inside or outside lining of an organ is called epithelial tissue.