Fill in the blanks The …..a……. Lymphoid organs provide the sites for interaction of lymphocytes with antigen which then proliferate to become …..b….. 2 . The thymus is a lobed organ located near the heart and beneath the ….C….. 3. Spleen has a large reservoir of .....d.....A. a-primary ,b-antigen sensitive cells ,c-collar bone ,d-lymphocytesB. a-secondary ,b-receptor cells ,c-breastbone,d-erythrocytesC. a-parimary ,b-effector cells,c-breast bone ,d-lymphocytesD. a-secondary ,b-effectore cells,c-breastbone ,d-erythrocytes

Fill in the blanks The …..a……. Lymphoid organs provide the sites

1.	Fill in the blanks The …..a……. Lymphoid organs provide the sites for interaction of lymphocytes with antigen which then proliferate to become …..b….. 2 . The thymus is a lobed organ located near the heart and beneath the ….C….. 3. Spleen has a large reservoir of .....d.....A. a-primary ,b-antigen sensitive cells ,c-collar bone ,d-lymphocytesB. a-secondary ,b-receptor cells ,c-breastbone,d-erythrocytesC. a-parimary ,b-effector cells,c-breast bone ,d-lymphocytesD. a-secondary ,b-effectore cells,c-breastbone ,d-erythrocytes
Answer» Correct Answer - D (1). The secondary lynphoid organs provide the sites for interaction of lynphocytes with antigen which then proliferate to become effector cells. (2) . The thymus is a lobed organ located near the heart and beneath the breastbone`//`sternum. (3) . Spleen has a large erservoir of erythrocytes`//`RBCs