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