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Understanding the Epithelial System: Structure and Functions of Skin Layers

The epithelial system serves a vital role in protecting the body and maintaining organ structure. This system encompasses various layers, including the epidermis, which is the outermost layer covering the entire body, and the dermis that contains connective tissue, hair follicles, and sweat glands. The hypodermis, the innermost layer, serves as an energy reserve and insulation. Additionally, subcutaneous fat acts to absorb shock and retain body warmth. Understanding these layers and their components, such as blood vessels and connective tissues, is essential for comprehending skin health.

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Understanding the Epithelial System: Structure and Functions of Skin Layers

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  1. Epithelial System Purpose: To protect the body and hold organs

  2. 8. Epidermis - he outer layer of the skin covering the entire body 8. Epidermis 1. Hair follicle - a small tubular cavity containing the root of a hair 7. Dermis 7. Dermis - contains tough connective tissue, hair follicles, and sweat glands 1. Hair Follicle 2. Sweat Gland - glands in the skin that secrete perspiration 6. Hypodermis - the innermost and thickest layer of the skin. It acts as an energy reserve 6. Hypodermis 3. Subcutaneous Fat - Fat that is under the skin. Absorbs shock, keeps you warm and provides energy. 2. Sweat Gland 5. Blood Vessels - An elastic tubular channel where blood circulates 3. Subcutaneous Fat Connective Tissue - tissue made up of fibers forming a framework and support structure for organs 5. Blood Vessels 4. Connective Tissue

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