Question

which specialized white blood cells of the lymphatic system fight pathogens?

○ antibodies

○ antigens

○ vaccine

○ lymphocytes

Explanation:

To solve this, we analyze each option:

• Antibodies: Proteins, not white blood cells. Eliminate.
• Antigens: Foreign substances triggering immune response, not cells. Eliminate.
• Vaccine: Substance for immunity, not a cell. Eliminate.
• Lymphocytes: Specialized white blood cells in lymphatic system that fight pathogens. Correct.

Answer:

D. lymphocytes