Which statements are incorrect for epithelium from given statement?

(i) The cells are compactly packed with little intercellular matrix.

(ii) There are two types of epithelial tissues namely simple epithelium and compound epithelium.

(iii) Simple epithelium is composed of a single layer of cells and has protective function as it does in our skin.

(iv) The compound epithelium is composed of a single layer of cells and has protective function as it does in our skin.

(v) The squamous epithelium is made of a single thin layer of flattened cells with irregular boundaries.