Relier Pairs 2.32 Concepts of the Integumentary System Version en ligne Concepts of the Integumentary System par Jorge Arizpe 1 They produce melanin 2 Four main functions of the skin. 3 Three main layers of the skin. 4 Other skin functions 5 Generates hair 6 Actions for skin care and protection 7 Types of sweatty glands. 8 What is melanin? 9 Structures associated to the skin Pigment that gives color to the skin, hair and eyes. People with darker skin produce a larger amount of melanin. Sebaceus glands, sweat glands, hair and nails. Cells called melanocytes 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer 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.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ 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).
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