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BIO 227 lab Exam 1; Questions and Answers 100% Correct $11.99   Add to cart

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BIO 227 lab Exam 1; Questions and Answers 100% Correct

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BIO 227 lab Exam 1; Questions and Answers 100% Correct integumentary system Answer-Consists of the skin, mucous membranes, hair, and nail integumentary system functions Answer-protects against environmental hazards, helps regulate body temperature, provides sensory information basic structur...

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  • August 8, 2024
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  • Bio 227
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BIO 227 lab Exam 1; Questions and Answers
100% Correct
integumentary system Answer-Consists of the skin, mucous membranes, hair, and nail




integumentary system functions Answer-protects against environmental hazards, helps
regulate body temperature, provides sensory information




basic structure of the skin Answer-- an epidermis made of epithelium

- dermis made of connective tissue

- cemented together at dermal papillae

- a blister is when these 2 layers separate




epidermis Answer-outermost layer of skin




hypodermis Answer-the layer of skin beneath the dermis, which serves as a storage
repository for fat




dermis Answer-middle layer of skin




layers of the epidermis Answer-stratum basale, stratum spinosum, stratum granulosum,
stratum lucidum, stratum corneum




stratum corneum Answer-outermost layer of epidermis

, BIO 227 lab Exam 1; Questions and Answers
100% Correct

stratum granulosum Answer-a layer of the epidermis that marks the transition between
the deeper, metabolically active strata and the dead cells of the more superficial strata




stratum spinosum Answer-a layer of the epidermis that provides strength and flexibility
to the skin




stratum basale Answer-deepest layer of epidermis




cells of the epidermis Answer-keratinocytes, melanocytes, langerhans cells, merkel cells




Keratinocytes Answer-The most abundant epidermal cells, they function mainly to
produce keratin.




Melanocytes Answer-cells that produce melanin




melanin Answer-A pigment that gives the skin its color




cerotene Answer-yellow pigment

- concentrates in stratum corneum and fat

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