(a) Which epithelium consists of thin, flat, disc-like cells closely fitted like tiles in a floor, and alternatively called pavement epithelium ?
(b) The cells of the epithelium are about as tall as wide, having rounded nucleus in the centre of the cell. It may be secretory or non-secretory. Name such an epithelium.
(c) Which kind of epithelium would you find in
(i) Buccal cavity (ii) Skin in land vertebrates.

Explanation

(a) Simple squamous epithelium
(b) Simple cuboidal epithelium .
(c ) (i) Non-keratinized stratified squamous epithelium. (ii) keratinized stratified squamous epithelium.