Blood_&_Immunity_1_1perpage

Blood_&_Immunity_1_1perpage - Blood and Immunity...

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Specific Immune System Blood and Immunity Lectures Immune System – Introduction and Nonspecific Immune System Hemostasis Specific Immune System (Cont’d) & Blood Transfusion Reactions Blood: Functions, Components, Hematopoiesis
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Blood and Immunity 1 I. Overview of the Function and Composition of Blood: The Hematocrit II. Plasma III. Erythrocytes IV. Leukocytes V. Platelets VI. Hematopoiesis
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How would you describe blood to an alien from outer space? Red pigment of some sort Fluid water Sticky proteins Life supplies essential for survival
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FUNCTIONS • TRANSPORT • DEFENSE • pH REGULATION
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Transport GASES: O 2 : Lungs Tissues CO 2 : Tissues Lungs NUTRIENTS: GI Tract cells Storage sites cells
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Transport CELLULAR WASTES: (Cells kidneys) EXCESS WATER: (Cells kidneys)
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Transport HORMONES: (Endocrine glands Target tissues) HEAT: (Active tissue Less active tissue; or to skin and lungs for elimination)
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Defense Against infection by transporting molecular and cellular components of the immune system. Against blood loss (hemorrhage): By Haemostatic mechanism
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pH Regulation By the buffering action of it’s acids and bases By transporting acids and bases to excretory organ
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Anticoagulant (Sodium citrate) BLOOD
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Hematocrit HEMATOCRIT: It is the ratio of packed erythrocytes to the total blood volume in a centrifuged sample of blood Hematocrit is expressed as %
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This note was uploaded on 03/17/2011 for the course PSL 200 taught by Professor Averback during the Fall '11 term at University of Toronto.

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Blood_&_Immunity_1_1perpage - Blood and Immunity...

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