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100
Largest organ of the body
What is skin?
100
epidermis and dermis
What are two layers of the skin?
100
50%-70%
What percentage of water is found in healthy skin?
100
uvb rays
what are burning rays called?
100
being anti-inflammatory, repairing skin tissue, and having antioxidant qualitites
How does estrogen protect the skin?
200
The ____ glands excrete sweat
sudoriferous
200
alpha hydroxy acids
What stimulates cell turnover?
200
free radicals
what are atoms or molecules with unpaired electrons?
200
hair
What is slender outgrowth of the sclap?
300
broad spectrum
what sunscreens block uva and uvb rays?
300
phospholipids, glycolipids,cholesterol, triglycerides, squalene, and waxes
What are types of lipids?
300
fat insulation
What keeps the body warm?
300
the ___ is also referred to as the spiny layer
What is the stratum spinosum?
300
mitosis occurs in which layer of the skin?
stratum germinativum
400
hair, nails, sweat and oil glands
What are appendages?
400
what gland softens the skin?
sebaceous gland
400
what does free radical activity cause?
inflammation
400
skin absorbs ____?
oxygen
500
aid in the production of collagen and elastin
What are fibroblasts?
500
formed in the stratum granulosum
Where is keratin and intercellular lipids formed?
500
mitosis
What is cell division?
500
study of the internal workings of living organisms
What is physiology?
500
22 sq.ft. and 8-10lbs
What is the average square footage and weight of the skin?
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