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Cancer Notes 7th Grade Health Mr. Alvarez 2007
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What is Cancer? (Standard 5.b, Cancer) STATE STANDARD: 5. The anatomy and physiology of plants and animals illustrate the complementary nature of structure and function. 5.b. organ systems function because of the contribution of individual organs, tissues, and cells. The failure of any part can affect the entire systems.
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What is Cancer? A mutation changes the DNA causing cells to multiply uncontrollably forming a tumor & killing healthy tissues around it.
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What is Cancer? Two kinds of tumors… Malignant = spreading tumor into other tissues (cancerous) BAD Benign = non cancerous tumor. GOOD
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Stages of Cancer
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Cancer Causes UV rays - from sunlight
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Cancer Causes Tanning booths
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Cancer Causes Fatty foods and sweets Tobacco - smoking or chewing
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Cancer Causes Soot - black tar from chimneys Asbestos - found in walls of old buildings
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Cancer Treatment Radiation - High energy beams of light to blow up the Cancer cells.
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Cancer Treatment Chemotherapy - strong drugs to destroy cancer cells in the blood with loss of hair as a side effect.
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Cancer Treatment Surgery - operation to remove any tumor cells from the body that radiation or chemotherapy can not get.
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Cancer Prevention Sun Block - to protect from UV rays Proper Diet - healthy foods
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Cancer Prevention No smoking or chewing tobacco Mask for working with soot or asbestos.
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