1. Lymphocytes
2. Neutrophils
3. Macrophages
4. All of these
All of these
1. Thymus
2. Pancreas
3. Liver
4. Spleen
Thymus
1. Memory regions
2. Epitopes
3. Non-determinants
4. Self limitation
Epitopes
1. Lymph
2. Pus
3. Serum
4. Plasma
Pus
1. Allergic reaction
2. Secretion of toxins
3. Secretion of histamines
4. All of these
All of these
1. ecology
2. ecosystem
3. phytogeography
4. ethology
ecology
1. WBC
2. Antibodies
3. Liver
4. Blood
WBC
1. Pathogenicity
2. Auto-immunity
3. Cytoxicity
4. Immune deficiency
Immune deficiency
1. synecology
2. forestecology
3. autecology
4. ecology
autecology
1. Salk’s vaccine
2. TAB vaccine
3. DPT vaccine
4. Sabin vaccine
Sabin vaccine