Human blood comprises of four essential components – plasma, red blood cells (RBCs), white blood cells (WBCs) and platelets.
All RBCs, platelets and most of the WBCs are generated in the Bone Marrow; which is present as soft tissues, deep inside bones. Two essential types of white blood cells – T cells and B Cells, that are together known as lymphocytes are also produced and then mature in the lymph nodes as well. Plasma, on the other hand constitutes 55% of total blood volume and holds all blood cells in suspension.
Both the bone marrow and lymph nodes form primary and secondary organs of lymphatic system respectively. Lymphatic system is again an essential part of the circulatory system.
Any cancerous growth affecting blood, bone marrow or the lymphatic system is termed as blood cancer. Continue reading “Blood Cancer – Types, Symptoms and Treatment”