Agranulocytes responsible for the immune response of the body are:

1. basophils

2. neutrophils

3. eosinophils

4. lymphocytes

(a) Lymphocytes are white blood cells responsible for immune response of the body. These cells recognise and react with antigens.
Basophils contain anticoagulant heparin which pervents blood form a clotting and also contain vasodilator histamin which promotes blood flow into the tissues.
Eosinophils are white blood cells which defend the body against parasitic infections.