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Published byBernice Robertson Modified over 9 years ago
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Integumentary System Review HUMAN BIOLOGY
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1. Name four functions of the skin. Protection (MOST IMPORTANT!!) Contains sensory devices to detect surroundings Regulates temperature of body Gets rid of waste material
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2. Besides skin, what other accessory structures are part of the integumentary system? Hair Nails Sweat Glands Oil Glands
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3. Name two waste products excreted by the skin as sweat. Water Salt
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4. Name the three layers of skin. Epidermis Dermis Subcutaneous Layer
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5. What kind of epithelial cells are found in the epidermis? Squamous
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6. What is significant about the cells in the outermost layer of epidermis? It consists of dead squamous cells that are filled with the protein keratin. This keratin forms a waterproof barrier to the outside.
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7. Nails grow from nail beds. Hair grows from a _______ ________. Hair Follicle
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8. Name the protein that strengthens the hair and nails. Keratin
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9. Name the two general types of skin cancers. Carcinomas Melanomas
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10. Why is melanoma more deadly than carcinoma? It is deeper in the epidermis and often spreads into other tissues.
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11. What is the condition caused by a clogged sebaceous gland? Pimple/Acne/Zit
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12. Name the condition described below: A mole with an irregular color. A mole that changes color. A sore that does not heal. SKIN CANCER
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13. What is the term used to describe epithelial tissue, like the epidermis, that is layered? Stratified
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14. Name the five strata of the epidermis. Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum basale 15. Which of the above layers is only present in thick skin, like the palms and soles? Stratum lucidum
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