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BIO101: CH6 Obj 5+6

QuestionAnswer
Protective barrier Protects against harmful substances, UV radiation, microorganisms, and water loss
Sensation Contains sensory receptors for touch, pressure, temperature changes, and pain
Excretion Skin helps remove some wastes
Production of Vitamin D Starts in the skin and helps with calcium absorption when produced and activated
Regulation of body temperature Helps cool the body through sweating and changes in blood flow
Radiation Primary method of heat loss; infrared heat rays travel from warmer skin to the cooler environment
Conduction Heat moves from warmer skin to cooler objects it is touching
Convection Heat is lost from the skin into circulating air currents
Evaporation Sweat evaporates from the skin and carries heat away
Hyperthermia Abnormally high body temperature
Hypothermia Abnormally low body temperature
Inflammation Heat, pain, redness, and swelling
Fibroblasts Secrete collagen fibers to bind a wound together
Superficial partial-thickness (first-degree) burn Injures only the epidermis, such as a sunburn; causes redness, heat, and inflammation
Deep partial-thickness (second-degree) burn Destroys the epidermis and some dermis, such as a burn from hot liquid
Full-thickness (third-degree) burn Destroys the epidermis, dermis, and accessory structures
Age over 30 Diminished ability to produce Vitamin D
Created by: jullian18
 

 



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