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 What is melanin? 3 Generates hair 4 Other skin functions 5 Three main layers of the skin. 6 Actions for skin care and protection 7 Four main functions of the skin. 8 Types of sweatty glands. 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. 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ Sebaceus glands, sweat glands, hair and nails. 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis 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. 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). Cells called melanocytes Hair follicle
Créer jeu