Relier Pairs Integumentary System ConceptsVersion en ligne Integumentary System Concepts par Jorge Arizpe 1 What is melanin? 2 Types of Sudoriferous glands 3 The three main layers of integumentary system: 4 Associated structures are: 5 Others activities of the skin 6 Mention how to care for the skin: 7 Four major functions 1. Eccrine: Produce watery type of sweat Activated by heat 2. Apocrine: Produce thicker type of sweat with more proteins Concentrated in armpit and groin areas Activated by nervousness or stress The pigment that gives human skin, hair, and eyes their color. Dark-skinned people have more melanin in their skin than light-skinned people have. Melanin is produced by cells called melanocytes. 1. Absorption of substances such as medications 2. Excretion (Water, Electrolytes,Wastes) 3. Manufacture of vitamin D 1.Protection against infection 2.Protection against dehydration (drying) 3.Regulation of body temperature 4.Collection of sensory information Sebaceous oil glands, Sudoriferous glands, Hair and Nails 1. Proper nutrition 2. Adequate circulation 3. Regular cleansing Removes dirt and dead skin Sustains slightly acid environment to inhibit bacteria 4. Protection from sunlight Exposure to UV light causes genetic mutations in skin that can lead to cancer, and causes premature aging. Epidermis, Dermis and Subcutaneous layer
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