Epidermis
Outer most layer of the skin that provides a waterproof barrier
Subcutaneous hypodermis
Inner most layer of the skin that conatins fat and connectiev tissues
Dermis
Middle layers of the skin that contains blood vessels, nerves, hair follicles, and sweat glands
Fucntion of Integumentary System
Protection
Excretion
Sensation
Homeostasis
Regulating body temperature and fluid balance