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Leukemia is a type of cancer that harms the body's ability to make healthy blood cells. It starts in the bone marrow, the soft center of various bones. This is where new blood cells are made. There are three main types of blood cells:
Bone marrow consists of hematopoietic cells and fat cells which help in producing new cells. It helps in production of the red blood cells and white blood cells and platelets. The function of these cells is to carry oxygen, help the body fight infections.When the production of the white blood cells in the bone marrow gets out of control it causes Leukemia.one marrow cells are constantly dividing and producing various cells in the blood and are very functional. The various blood cells include: 1  Red Blood Cells (RBC)- These perform the function of transferring oxygen from lungs to body You do not have access to view this node.