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OpenStudy (love.kat123):
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OpenStudy (love.kat123):
1.From which of the following does the basic structure of hair and nails form? a. sweat c. collagen b. melanin d. keratin
OpenStudy (love.kat123):
2.Which of the following is NOT part of the integumentary system? a. skin c. nails b. cartilage d. hair
OpenStudy (love.kat123):
3.The dark brown pigment in the skin is called ____________. a. carotenoids c. chlorophyll b. melanin d. keratin
OpenStudy (anonymous):
1.c 2.d 3.d
OpenStudy (love.kat123):
THANKS
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