Matching Pairs 2.32 Concepts of the Integumentary System (D)Online version Concepts of the Integumentary System by Emir Barajas 1 Three main layers of the skin. 2 Actions for skin care and protection 3 Other skin functions 4 Structures associated to the skin 5 What is melanin? 6 Four main functions of the skin. 7 Generates hair 8 They produce melanin Cells called melanocytes 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer Pigment that gives color to the skin, hair and eyes. People with darker skin produce a larger amount of melanin. 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 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). Hair follicle Sebaceus glands, sweat glands, hair and nails.