What are the functions of the Skin ?

• Protection:Skin provide protection from  Physical, Chemical, Infections agents
• Thermoregulation: Blood vessels and Eccrine sweat glands are involved in thermoregulation
• Homeostasis of water, electrolytes and protein
• Lubrication and waterproofing: Sebum secreted by sebaceous glands
• Sensations - specialized nerve endings act as sensory organs
• Immunological: Lymphocytes, macrophages, Langerhans cells are involved in immunity
• Synthesis of vitamin D by keratinocyte
• Body odour: Apocrine glands produce body odour
• Protection and prising: Nails are involved in this function
• Calorie reserve: Subcutaneous fat preserve body heat
• Psychosocial: Cosmetic functions -skin, lips, hair, nails.