Answer:

1) 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. They perform a variety of functions that include protection, secretion, ABSORPTION, excretion, filtration, diffusion, and sensory reception.

2) Epithelial tissue is classified based on the cell shape and the number of cell layers.

Cell shape: squamous, cuboidal, columnar

Cell layers: simple (ONE LAYER), stratified (multiple layer)

3) stratified squamous epithelium

4) Stratified squamous epithelia are tissues formed from multiple layers of cells resting on a basement membrane, with the superficial layer(s) consisting of squamous cells. Underlying cell layers can be made of cuboidal or columnar cells as well.

5) Simple cuboidal epithelium is a type of epithelial tissue found in the body. It is a single layer thick and made of cube-shaped cells. This type of tissue is found lining parts of the body such as the kidney tubules and walls of the respiratory bronchioles.

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