Produce acidic sweat
Water, salts, vitamin C, traces of metabolic waste
Function in body temperature regulation
Papillary layer (upper dermal region) contain projections called
dermal papillae
what 2 types of tissue compose the skin
dermis and epidermis
what is the color spectrum of melanin
yellow to brown to black
5 layers (strata) of the epidermis from deepest to most superficial
Stratum basale basale=basement its deepest
Stratum spinosum
Stratum granulosum
Stratum lucidum (thick, hairless skin only)
Stratum corneum
BSGLC-brock spits game like cake
Functions of body membranes
covers body surfaces, lines body cavities, forms protective sheets around organs
connective membranes include:
synovial membranes
what is keratin
Orange-yellow pigment (also found in some vegetables)
what kind of damages does the integumentary system protect against
Mechanical damage (bumps and cuts), Chemical damage (acids and bases),Thermal damage (heat or cold),Ultraviolet (UV), radiation (sunlight), Microbes (bacteria), Water loss it also cushions the deeper organs
talk about the Stratum corneum (where is it, and what does it do)
Outermost layer of epidermis
Shingle-like dead cells are filled with keratin (protective protein prevents water loss from skin)