Chapter 29 Blood

Chapter 29 Blood - Chapter 29 Blood 1 Composition of Blood...

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Unformatted text preview: Chapter 29 Blood 1 Composition of Blood Blood is sticky Color varies from scarlet to dark red The pH of blood is 7.357.45 Temperature is 38C Average volume: 56 L for males, and 45 L for females 2 Composition of Blood It is composed of liquid plasma and formed elements Formed elements include: Erythrocytes, or red blood cells (RBCs) Leukocytes, or white blood cells (WBCs) Platelets 3 Blood Plasma - Matrix Blood plasma contains over 100 solutes, including: Water 90% Proteins albumin, globulins, clotting proteins, and others Organic nutrients glucose, carbohydrates, amino acids Electrolytes sodium, potassium, calcium, chloride, bicarbonate Respiratory gases oxygen and carbon dioxide 4 Components of Whole Blood Figure 17.1 5 Erythrocytes (RBCs) Biconcave discs, anucleate, essentially no organelles Filled with hemoglobin (Hb), a protein that functions in gas transport Red or pink 4.5million to 5.0 million cells/mm3 Life span 100 to 120 days 6 Erythrocytes (RBCs) Figure 17.3 7 Components of Whole Blood Figure 17.2 8 Leukocytes (WBCs) 4000-11000 cells/mm3 Nucleated Diapedesis Divided into 2 groups: Granulocytes and agranulocytes 9 Granulocytes Granulocytes neutrophils, eosinophils, and basophils Contain cytoplasmic granules that stain specifically (acidic, basic, or both) with Wrights stain Are larger and usually shorter-lived than RBCs Have lobed nuclei Are all phagocytic cells 10 Neutrophils Neutrophils have two types of granules that: Take up both acidic and basic dyes...
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Chapter 29 Blood - Chapter 29 Blood 1 Composition of Blood...

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