Integumentary System
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which system consists of skin | the integumentary system
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many different tissues make it an | organ
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an organ is made up of | many different tissues
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Functions of the integumentary system include | protection, storage, insulation and cooling
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the outer layer of the skin is | the epidermis
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the inner layer of the skin is | the dermis
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stratum germinativum is which layer | inner most
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What is the definition of germinate? | To sprout
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Base or lowest part is what area | basal
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____ is to replace skin cells that slough off | mitosis
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As cells get further from capillaries they do what? | Die
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Touch receptors are what? | merkel cells
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peptides synthesize by living keratinocytes and secreted during inflammation | defensins
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outer most layer is | stratum corneum
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epidermis is a barrier to | micro organisms
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produce pigment protein myelin | melanoycytes
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increased melanin protects from UV light by___ | absorption
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____and elastin make the dermis strong | collagen
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uneven junction between dermis and epidermis | papillary
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hair and nail follicles sensory receptors and glands are what | structures within the dermis
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hair root contains cells called what | natrix
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eyelashes function is what? | to trap dust
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Heat loss that depends on evaporation is | sweating
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epidermal cells make the skin relatively waterproof is | keratin
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tissue that stores fat in the sub cutaneous tissue is | adipose
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glands of the skin that maintain body temperature are | eccrine
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receptors for pan are | free nerve endings
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vitamin d is formed in the skin when the skin is exposed to | ultra violet rays
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layer of the dermis which contains capillaries | papillary layer
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hair follicle that undergoes mitosis | the hair root
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epidermis that undergoes mitosis is the | stratum germinatibum
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protein that protects our skin from UV rays | melanin
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layer of the skin that prevents the entry of pathogens | stratum corneum
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type of burn that has painful blisters are | 2nd degree
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cells that increase secretion when stimulated by UV rays are | melenocites
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the secretion that prevents drying of the ear drum is | cerumen
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finger and toenail structures are know as what? | follicles
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the dermis is strong because of the presence of what? | collagen fibers
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potential risk of what is present with 3rd degree burns? | infection
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human hair functions to keep dust out of what? | Eyes and nose
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Adipose tissue is part of what? | Sub Cutaneous tissue
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____provide protection against bacteria | defensens
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Adipose tissue stores what? | Fat
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in the epidermis the surface layers of cells are what? | dead
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lengerhans cells originate in the ____ | bone marrow
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make hair, skin, and eyes darker | melanocytes
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_____muscle stand hair up | erector pili
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finger nails and toe nails | are nail follicles
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protects the end of the digits | nails
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____provide information about the environment to the CNS | receptors
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merkel cells are in the | stratum germinativum
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encapsulated nerve endings receptors | touch and pressure
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free nerve endings detect | heat cold and pain
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glands are within the ___ | dermis
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glands are made up of what type of tissue | epithelial
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glands within the skin are what type of glands | exocrine
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sebaceous ducts secret | seben
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apocrine are located | axilla and pubic areas
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____is important in temperature regulation | the eccrine gland
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___increases blood flow to surface | vaso dilation
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____decreases blood flow to surfaces | vaso constriction
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blood vessels are regulated by what? | CNS
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Prolonged pressure causes lack of blood supply and leads to tissue death | decubitus ulcers
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subcutaneous tissue provides | cushion
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sub q tissue helps to regulate what? | temperature
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another function of the i system is | excretion of waste through sweat
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another function of the integumentry system | excreteion of waste though sweat
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outter layer of the skin is ________ | epidermis
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epidermis is made up of _____ | stratified squamis epithelium
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stratum corneum is made up of many layers of _____ | dead cells
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protein of the stratum cornium is_______ | keratin
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______ sweat glands maintain body temp | eccrine
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produced in follicals in the scalp | subcutainious
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____ covers the surface of the body | skin
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____ is tissue that connects the skin and the muscles | subcutainous
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______ protects the end of the finger | nail
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small arteries | arterioles
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_____ detects changes in the enviroment | recepters
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______ produces melanin | mellonocyte
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statum _____ produces new epidermal cells | oerminativum
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______ glan secretes cerumen | ceruminoys
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____ decreases blood flow though arterioles | vasoconstriction
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_____ Increases blood flow though arterioles | vasodialation
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gland that secreates sebum | sebaceous
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inner layer of the skin | dermis
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skin that is charded and maynot be painful at first | third degree burn
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skin is painful but not blistered | first degree burn
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skin is painfull an blistered | second degree burn
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cells that produce collegen and elastin | fibroblast
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protein that gives dremis its strenth | collegen fibers
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protein that gives dermis elasticty | elastin fibers
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mitosis at the root produces the hair shaft | hair follicals
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mitosis at the root produces the nail | nail follicals
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produces a lipid substance called sebum | sebacus gland
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produces their secreation durring exercise or in warm enviroment | eccrine sweat glands
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secretion durring times of stress or emotion | apocrine sweat glands
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produce cereum or ear wax | ceruminous glands
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provide information abot the outside enviroment | recepters
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merkel cells are found in the _____ | stratum
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