Matching Pairs 2.32 Concepts of the Integumentary System Online version Concepts of the Integumentary System by Jorge Arizpe 1 Three main layers of the skin. 2 Types of sweatty glands. 3 Other skin functions 4 They produce melanin 5 What is melanin? 6 Structures associated to the skin 7 Actions for skin care and protection 8 Four main functions of the skin. 9 Generates hair 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis Sebaceus glands, sweat glands, hair and nails. 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.Eccrine: Produces diluted sweat. Activated by temperature 2.Apocryphal: Produces a type of sweat with more protein. Concentrated in regions like armits among others. Activated by stress or nervousness. Hair follicle 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ Cells called melanocytes