The type of epithelial tissue that is only one cell layer thick is called ; the type of epithelial tissue that is two or more cell layers thick is called

Simple, and Stratified.

Explanation:

Simple epithelial tissue: They are only one cell layer thick in nature, and are present in places where filtration and absorption are necessary. These tissues include the lining of blood vessels and the female ovary body cavities.

Stratified epithelial tissue: They are two or more cell layers thick in nature because these tissues are consist of several layers of cells so, they are present in places where protection is important. These tissues include the lining of the bladder, urethra, and esophagus.

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