Relier Pairs Integumentary System ConceptsVersion en ligne Integumentary System Concepts par Jorge Arizpe 1 Others activities of the skin 2 Four major functions 3 The three main layers of integumentary system: 4 Mention how to care for the skin: 5 What is melanin? 6 Associated structures are: 7 Types of Sudoriferous glands Epidermis, Dermis and Subcutaneous layer 1.Protection against infection 2.Protection against dehydration (drying) 3.Regulation of body temperature 4.Collection of sensory information 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. 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 Sebaceous oil glands, Sudoriferous glands, Hair and Nails 1. Absorption of substances such as medications 2. Excretion (Water, Electrolytes,Wastes) 3. Manufacture of vitamin D 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.
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