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- Study of the skin's functions
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- Microscopic study of the skin's tissues
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- Made up of the skin and it's layers; skin is the largest organ of the body and next to the brain, the most complex
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- The study of the skin, its structure, functions, diseases and treatment
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- Physician who specializes in diagnosing and treating diseases of the skin, hair and nails
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- 6 primary functions of the skin
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- Protection
- Absorption
- Secretion
- Excretion
- Regulation
- Sensation
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- Shields internal tissues from toxins such as pollutants, smoke, ultraviolet radiation and other harmful chemicals and substances
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- Immune cells, such as as ________, provide the body with its first line of defense against infection; identify foreign substances in the skin
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- Absorbs vitamins, acids, water and oxygen through thousands of pores to moisturize, nourish and protect
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- Secrets sebum that keeps skin soft, supple and pliable; prevents bacteria from invading the skin; known as acid mantle; sebum affects the skin's PH
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- Toxins and waste material released through sweat glands and pores
- Sweat is water mixed with salt and other chemicals that have built up in the body
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- Excretion (skin is the largest waste removal system)
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- 98.6 degrees
- Through mechanisms such as shivering/goosebumps
- Skin changes blood flow to regulate
- Temperature drops - blood flow increases
- Temperature increases - sudoriferous glands secrete sweat
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- Nerve end fibers detect heat, cold, pain and pressure touch
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- Major protein substance that contains several chemical elements such as carbon, oxygen, hydrogen, nitrogen and sulfur
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- Makes up fingernail and hair
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