Relier Pairs 2.32 Concepts of the Integumentary System Version en ligne Concepts of the Integumentary System par Jorge Arizpe 1 Four main functions of the skin. 2 Three main layers of the skin. 3 Other skin functions 4 They produce melanin 5 Structures associated to the skin 6 Types of sweatty glands. 7 Generates hair 8 Actions for skin care and protection 9 What is melanin? 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer Hair follicle Sebaceus glands, sweat glands, hair and nails. 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. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). Cells called melanocytes 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ 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.
Créer jeu