Which one of the following is an example of epithelial tissue?

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Which one of the following is an example of epithelial tissue?

To find an example of epithelial tissue, you need to understand what epithelial tissue is. Epithelial tissue is a type of tissue that lines the surfaces of various organs and structures in the body. It is responsible for protecting underlying tissues, absorbing or secreting substances, and providing sensory information.

Now, let's examine the options to find the example of epithelial tissue:

Option 1: Bone - Bone is not an example of epithelial tissue. It is a type of connective tissue that provides support and structure to the body.

Option 2: Blood - Blood is also not an example of epithelial tissue. It is a type of connective tissue responsible for transporting oxygen, nutrients, hormones, and waste products.

Option 3: Skin - Skin is indeed an example of epithelial tissue. The outer layer of the skin, called the epidermis, is composed of epithelial cells. It serves as a protective barrier against pathogens, UV radiation, and excessive water loss.

Option 4: Muscle - Muscle tissue is not an example of epithelial tissue. It is its own type of tissue responsible for movement and contraction.

Based on this analysis, the correct answer is Option 3: Skin. Skin is an example of epithelial tissue.