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 Structures associated to the skin 3 Types of sweatty glands. 4 Three main layers of the skin. 5 Actions for skin care and protection 6 What is melanin? 7 Four main functions of the skin. 8 Generates hair 9 Other skin functions 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). Sebaceus glands, sweat glands, hair and nails. 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis Hair follicle 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. Pigment that gives color to the skin, hair and eyes. People with darker skin produce a larger amount of melanin. 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ
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