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Physical Barriers in First-Line Defenses: Skin
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Physical Barriers in First-Line Defenses: Skin
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19. Innate Immunity / Physical Barriers in First-Line Defenses: Skin / Problem 3
Problem 3
What protein found in the outermost layer of the epidermis helps create a dry environment?
A
Collagen
B
Elastin
C
Keratin
D
Melanin
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