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