Blood Disorders and Diseases

Blood Disorders and Diseases


This lesson will identify the cause and effects of various blood disorders.

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  • Anemia

    A group of disorders that afflict red blood cells, anemia affects a red blood cell’s ability to transport gases.

  • Sickle Cell Anemia

    Classified as hemolytic anemia, sickle cell anemia is caused by a genetic mutation that causes an abnormality in hemoglobin structure. The abnormal hemoglobin crystallizes and changes the shape of red blood cells from a short biconcave disk into a long sickle shaped cell.

  • Malaria

    A mosquito-borne disease that first infects the liver, from there the infection spreads to red blood cells. Malaria is caused by a parasite that is transmitted via mosquitoes.

  • Leukemia

    A cancer of red bone marrow that causes a significant increase in circulating white blood cells (leukocytes).

  • Toxemia

    A general term to describe blood poisoning.

  • Septicemia

    When organisms, such as bacteria, get into the circulating blood and cause a system-wide infection.