Epidermis
Outer layer of skin
Dermis
Mid layer
Thicker, collagen, elastic fibers
Subcutaneous
Blood vessels, nerves, connective tissue
Function of skin
Protection
Sensation: Sensory organs for touch, pain, heat, cold, and pressure
Temperature: Radiation, evaporation, conduction, convection
Excretion/Secretion: Sweat, lubrications
Why is hygiene important?
Prevent infection
Prevent skin breakdown
Comfort
Emotional feeling of well-being…