Q.12.) Skin is the outermost layer of the body which provide protection from mechanical injuries as well as help in secretion of sweat and oils. Which type of epithelium is the skin likely composed of to facilitate all the mentioned functions 1 point epithelium having flat surface epithelium arranged in many layers epithelium with irregular shaped cells epithelium with hair-like projections for particle movement
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Epidermis. Explanation: The epidermis is the outer layer of the skin, defined as a stratified squamous epithelium, primarily comprising keratinocytes in progressive stages of differentiation .
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The skin is composed of epithelium arranged in many layers.
- Our skin is composed of dry stratified squamous epithelium. Stratified epithelium is a specialized type of squamous epithelium which consists of flattened cells in many layers.
- The presence of many layers helps the skin epithelium in providing protection against mechanical stresses and injuries.
- Skin epithelium is also keratinized, i.e, it consists of many dead epithelium cells, which is also meant for the purpose of protection.
- Some squamous stratified epithelium cells also become specialized as globular cells which help in secretion of sweat and oils.
Therefore, skin is composed of epithelium arranged in many layers.
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