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Blood - Blood Assigned reading Chapter 16(568-588 What is...

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Blood! Assigned reading: Chapter 16 (568-588)
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What is Blood? The only fluid tissue in the body Connective Tissue Living Blood Cells “Formed Elements” Nonliving Fluid Matrix Plasma
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Characteristics of Blood Viscosity 5x water pH 7.35-7.45 Changes with CO2 Gas Exchange Temperature ~100.4 degrees F Volume 4-5L Women, 5-6L Men People of the same size typically have the same volume of blood Men are typically taller
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Three Functions:
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Breakdown of Blood
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Blood Plasma Approximately 90% Water Contains: Nutrients Gases Hormones Wastes Proteins Major Protein: Albumin Important as a buffer Other Major Proteins: Globulins Immune system proteins Plasma is mostly water and is where wastes and proteins, particularly Abs, are transported
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Formed Elements of Blood Erythrocytes = RBCs Leukocytes = WBCs Platelets
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Erythrocyte Structure RBCs are… Anucleate Devoid of organelles Biconcave in shape Responsible for carrying O 2 and CO 2
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