Relier Pairs 2.32 Concepts of the Integumentary System Version en ligne Concepts of the Integumentary System par Jorge Arizpe 1 Actions for skin care and protection 2 Four main functions of the skin. 3 Three main layers of the skin. 4 They produce melanin 5 What is melanin? 6 Structures associated to the skin 7 Types of sweatty glands. 8 Other skin functions 9 Generates hair Sebaceus glands, sweat glands, hair and nails. 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 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer Hair follicle Cells called melanocytes 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis
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