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Composition of the Blood

Composition of the Blood. Composition of the Blood. Red Blood Cells White Blood Cells Platelets Plasma. Red Blood Cells. Called Erythrocytes Most numerous Contain hemoglobin Carry Oxygen to the cell and Carbon Dioxide away from the cell No nucleus About a 120 day life span

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Composition of the Blood

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  1. Composition of the Blood

  2. Composition of the Blood • Red Blood Cells • White Blood Cells • Platelets • Plasma

  3. Red Blood Cells • Called Erythrocytes • Most numerous • Contain hemoglobin • Carry Oxygen to the cell and Carbon Dioxide away from the cell • No nucleus • About a 120 day life span • Saucer shaped • Produced in the Red bone marrow

  4. Hemoglobin bonds to the Oxygen!

  5. White Blood Cells • Called Leucocytes • Two different kinds of WBC - lymphocyte – makes antibodies - phagocyte – engulf pathogens • Have a nucleus • Second most numerous • Produced in the bone marrow, lymph nodes and spleen • Yellowish white and spiky shaped

  6. Platelets • Called Thrombocytes • Pieces of larger cells • Contain fibrin - a spider web like material that helps clot a wound

  7. Plasma • Liquid part of blood • 55% of the blood • 91% water • 9% dissolved materials - calcium - glucose - minerals - proteins - electrolytes (salts)

  8. Blood!

  9. Diseases of the Blood • Leukemia – disease of the white blood cells – interferes with ability to fight infection • Hemophilia – disease of the platelets. Blood does not clot • Anemia – disease of the red blood cells. Not enough rbc’s to carry oxygen to the cells • Sickle cell Anemia – also a disease of the red blood cells. The shape of the red blood cell prevents it from carrying enough oxygen

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