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Biology 1104 Checkup 1 (4th Edition/ePace)
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Biology 1104 Checkup 1 (4th Edition/ePace)albino Correct Answer person with little or no pigment in the
skin, hair, and irises
bed Correct Answer The hard, flat part of a fingernail or toenail
is called the nail plate, and it sits on the nail __________, which
is an epidermal layer where the plate attaches to the skin.
blister Correct Answer A __________, which is caused by heat
or friction, is a protective bubble of interstitial fluid between the
separated epidermal layers.
blood vessels Correct Answer __________ in the papillary
layer supply oxygen and nutrients to the cells of the dermis and
the base stratum of the epidermis, and they help regulate body
temperature.
color Correct Answer Hair __________ is determined by the
amount of melanin in the cortex.
connective Correct Answer tissue type; bones, cartilage,
ligaments, tendons, dermis layer, and walls of blood vessels
cortex Correct Answer A hair shaft's __________ is a layer of
living keratinocytes and melanocytes.
cuticle Correct Answer The __________ is the outside layer of
a hair shaft and is composed of flat, dead keratinocytes.
, dermis Correct Answer The two layers of the __________ are
the papillary and reticular layers.
elastin Correct Answer The reticular layer consists of
interwoven fibers of collagen and __________ embedded with
sweat glands, oil glands, hair follicles, nail beds, and blood
vessels.
epidermis Correct Answer Base, spiny, granular, clear, and
horny are the strata of the __________.
epidermis Correct Answer skin's outermost layer; thinnest on
the eyelids; thickest on the palms of the hands and on the soles
of the feet
epithelial Correct Answer tissue type; organ linings and
epidermis
fat Correct Answer Skin stores water, vitamin D, and
__________.
fingerprint Correct Answer The papillae in the papillary layer
create ridges in the epidermis, and the patterns formed by these
ridges on the ends of the fingers and thumbs are called
__________.
hypodermis, energy Correct Answer The fatty tissue in the
__________ cushions the body, provides insulation, and stores
__________.
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