Integumentary system

• Layers of the skin; epidermis-dermis-hypodermis-sweat glands-hair root
• Melanin gives colors to the skin
• Keratin serves as water proof of the skin
• Epidermis composed of epithelial cells that serves as the outer layer of the skin
• Dermis is 15-40 times thicker layer directly below the epidermis
• hypodermis stores fat
• Skin has three layers, epidermis, dermis, hypodermis