Relier Pairs 2.32 Concepts of the Integumentary System (D)Version en ligne Concepts of the Integumentary System par Emir Barajas 1 Four main functions of the skin. 2 Structures associated to the skin 3 Actions for skin care and protection 4 What is melanin? 5 Three main layers of the skin. 6 Other skin functions 7 Generates hair 8 They produce melanin 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis Cells called melanocytes Pigment that gives color to the skin, hair and eyes. People with darker skin produce a larger amount of melanin. 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer Hair follicle 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Capture sensations Sebaceus glands, sweat glands, hair and nails.
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