MEDICAL ANIMATION TRANSCRIPT: The skin contains three main layers: the epidermis, dermis, and hypodermis, or subcutaneous. Burns are tissue injuries caused by heat, chemicals, electricity, radiation, extreme cold, or friction that disrupt the skin's framework and function. Superficial burns affect the epidermis only, causing erythema, or redness, and pain. Partial thickness burns are either superficial or deep. Superficial partial-thickness burns involve the epidermis and the upper, or papillary, dermis, causing immediate blistering and intense pain and sensitivity. Deep partial-thickness burns destroy the papillary dermis, epidermis, and most of the lower, or reticular, dermis, sparing some cutaneous nerve endings, capillaries, and dermal appendages. Full-thickness burns destroy the entire epidermis, dermis, and portions of the hypodermis. The burned area is white, brown, dry, and charred, has no sensation, and cannot heal without surgical intervention. Burns can also be evaluated b...