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Chapter 12. BLOOD. 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. BLOOD COMPOSITION .

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function of blood
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

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

blood composition
BLOOD COMPOSITION
  • Plasma - liquid portion of blood without the cellular elements
  • Erythrocytes - red blood cells
  • Leukocytes - white blood cells
  • Thrombocytes - platelets

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

blood composition1
BLOOD COMPOSITION

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

blood plasma
Electrolytes

Hormones, vitamins, and enzymes

Metabolic waste products

Water

Plasma proteins

Fibrinogen

Albumin

Globulin

Nutrients

BLOOD PLASMA

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

red blood cells
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

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

white blood cells
WHITE BLOOD CELLS
  • Types of Leukocytes:
    • Granulocytes
      • Neutrophils
      • Eosinophils
      • Basophils
    • Agranulocytes
      • Lymphocytes
      • Monocytes

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

inflammation
INFLAMMATION
  • Occurs when tissues are subjected to chemical or physical trauma
  • Symptoms:
    • Redness
    • Local heat
    • Swelling
    • Pain

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

thrombocytes blood platelets
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

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

blood types
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

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

rh factor
RH FACTOR
  • The Rh factor is found on the surface of red blood cells
  • Rh positive
  • Rh negative

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.

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

DISORDERS OF THE BLOOD

© 2004 Delmar Learning, a Division of Thomson Learning, Inc.