Antibodies are found in:
Show Answer & Explanation
Correct Answer: (C)
Explanation:
Antibodies (immunoglobulins) are produced by a specific type of White Blood Cell called B-Lymphocytes (or B-cells). When B-cells are activated by an antigen, they differentiate into plasma cells, which secrete antibodies. Therefore, among the given options, Lymphocytes are the correct answer.
📚 Additional Info: Blood Cells & Functions
Blood consists of Plasma (fluid) and Formed Elements (cells). Here is a quick breakdown for exams:
| Cell Type | Scientific Name | Primary Function |
|---|---|---|
| RBC | Erythrocytes | Transport Oxygen ($O_2$) and Carbon Dioxide ($CO_2$) via Hemoglobin. |
| WBC | Leukocytes | Body defense and immunity. Divided into Granulocytes and Agranulocytes. |
| Platelets | Thrombocytes | Blood clotting (Coagulation). |
Types of White Blood Cells (WBCs)
- Lymphocytes:
- B-Cells: Produce Antibodies.
- T-Cells: Kill infected cells directly (Cell-mediated immunity).
- Neutrophils: Most abundant WBCs; first responders to infection (phagocytosis).
- Eosinophils: Fight parasitic infections and involved in allergic reactions.
- Basophils: Release histamine (inflammatory response).
- Monocytes: Become macrophages to clean up debris.