Integ Word Scramble
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| Term | Definition |
| The Integumetary System Includes | glands, hair, nails, skin |
| Skin | classified as an organ |
| Functions of the Skin | protects the body from injury, prevents internal body cells from drying out, maintains body temperature |
| Layers of the Skin | epidermis, dermis |
| Epidermis Includes | keratin, stratum germinativum, stratum corneum, melanin |
| Epidermis | the outermost layer; contains keratin; non-vascular layer |
| Keratin | protein that is tough, waterproof; fill skin cells |
| Layers of the Epidermis | stratum germinativum, stratum corneum |
| Stratum Germinativum | layer of the epidermis that is the only one capable of producing new cells |
| Stratum Corneum | outer epidermis that flakes off as the skin renews itself |
| Melanin | pigment that gives skin its color; dark-skinned people will have more pigment; cells that are active and produce more melanin (freckles- irregular patches of melanin |
| Dermis | AKA corium; true skin; innermost layer; has blood vessels, nerves, and glands |
| Layer of the Dermis | subcutaneous layer |
| Subcutaneous Layer | has a generous supply of adipose tissue |
| Skin | classified as an organ; enveloping membrane; AKA integumentary system; does not breathe; heat is lost from the skin by evaporation |
| Skin Contains Kinds of Tissue | nerve, connective, epithelial |
| Skin Properties | pH slightly acidic, prevents growth of pathogens; contains compound converted to VitD (sunshine) when exposed-uv rays of the sun (ca assists absorption of Vit D); people who sunbathe more prone to wrinkles, skin cancers, dry skin & sunburn |
| Sweat Glands | regulate heat, odor, & sweat; called suderiferous glands; main function-regulate body temp.; when functioning, we perspire from pores; ceruminous |
| Pores | openings of the sweat glands |
| Ceruminous Gland | modified sweat gland; produce cerumen (ear wax) that protects the ear drum |
| Sebaceous Glands | sac-like structure that secretes sebum; secrete substances into a hair follicle; main function is to lubricate skin |
| Sebum | very oily substance |
| Hair | covers most of the body (not palms of hands or soles of feet); consists of dead cells and keratin; will grow as long as the follicle is not destroyed |
| Nails | originate in the outer layer of the epidermis; affected by general health; grow from the proximal end called the root |
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