MEDICAL PHYSIOLOGY

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: -Surface epithelium is found throughout linings and tracts of the body, while glandular epithelium may be found between surface cells and inside glands. The function of epithelia varies by cell type and location, but for the most part, epithelial tissue provides a location for protection, secretion, and absorption.

Detailed explanation-3: -Epithelial tissue provides a covering (skin, the linings of the various passages inside the body).