Immune System

Immune System - Blood flow to the wounded area increases...

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Immune System Protecting you whether you know it or not!!!!
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Immunity Process of producing cells that inactivate foreign substances. Most Common: viruses and bacteria.
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First Line of Defense
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Skin Skin
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Mucus
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Other Defenses 3. Tears 4. Saliva 5. Oil and Sweat Glands
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Lysozyme An enzyme that breaks down the cell wall of bacteria. * Found in saliva and tears
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2 nd Line of Defense Inflammatory Response A non-specific reaction by the body to injury or infection.
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Step # 1
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Unformatted text preview: Blood flow to the wounded area increases bringing millions of white blood cells to the scene. Step # 2 Phagocytes (macrophages) engulf bacteria and viruses near or at the wound area. **** Phagocytes are type of white blood cells. Step # 3 The battle between the white blood cells and the foreign invaders will produce pus. Fever The bodies attempt to kill bacteria and viruses by raising the internal body temperature....
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This note was uploaded on 11/09/2011 for the course BIO 110 taught by Professor Harmon during the Winter '11 term at BYU.

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Immune System - Blood flow to the wounded area increases...

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