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Outline
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ANATAOMY LECTURE SERIES
BLOOD
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FUNCTION OF BLOOD
  • Transporting fluid of the body
    • Nutrients from digestive tract
    • Oxygen from lungs
    • Waste products from cells
    • Hormones
  • Aids in heat distribution
  • Regulates acid-base balance
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BLOOD COMPOSITION
  • Plasma - liquid portion of blood without the cellular elements
  • Erythrocytes - red blood cells
  • Leukocytes - white blood cells
  • Thrombocytes - platelets
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BLOOD COMPOSITION
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BLOOD PLASMA
  • Electrolytes
  • Hormones, vitamins, and enzymes
  • Metabolic waste products
  • Water
  • Plasma proteins
    • Fibrinogen
    • Albumin
    • Globulin
  • Nutrients
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RED BLOOD CELLS
  • Hemoglobin
    • Red pigment in erythrocytes
  • Erythropoiesis
    • Manufacture of red blood cells
    • Occurs in red bone marrow
  • Hemolysis
    • Rupture of red blood cell
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WHITE BLOOD CELLS
  • Types of Leukocytes:
    • Granulocytes
      • Neutrophils
      • Eosinophils
      • Basophils
    • Agranulocytes
      • Lymphocytes
      • Monocytes
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INFLAMMATION
  • Occurs when tissues are subjected to chemical or physical trauma
  • Symptoms:
    • Redness
    • Local heat
    • Swelling
    • Pain
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THROMBOCYTES
(BLOOD PLATELETS)
  • Thrombocytes are the smallest of the solid components of blood
  • Coagulation is clotting of the blood
  • The time it takes for blood to clot is known as clotting time
    • Human clotting time: 5 to 15 minutes
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BLOOD TYPES
  • Four major groups of blood
    • A - AB
    • B - O
  • Blood type inherited from parents
  • Antigen - protein present in blood
  • Antibody - protein in plasma
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RH FACTOR
  • The Rh factor is found on the surface of red blood cells
  • Rh positive
  • Rh negative
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DISORDERS OF THE BLOOD
  • Anemia
  • Iron-deficiency anemia
  • Pernicious anemia
  • Aplastic anemia
  • Sickle cell anemia
  • Cooley’s anemia
  • Polycythemia
  • Embolism
  • Thrombosis
  • Hematoma
  • Hemophilia
  • Thrombocytopenia
  • Leukemia
  • Septicemia