1. THE IMMUNE SYSTEM
Your personal army

2. Your personal army MACROPHAGES B CELLS ANTIBODIES KILLER T CELLS
NK CELLS
HELPER T CELLS

3. MACROPHAGES Target: anything bad they find in their path. Role:
To ingest harmful microorgamisms
To activate helper T cells

4. B CELLS TARGET: pathogens and infected cells
ROLE: secrete antibodies that attach to cells or pathogens to help destroy them

5. ANTIBODIES
Role:
To tag pathogens

6. KILLER T CELLS
TARGET: infected cells.
ROLE: Kill infected cells.

7. NK CELLS
Target: infected cells
Role:
To kill cells that are infected

8. HELPER T CELLS TARGET: B and Killer T cells
ROLE: to activate them using Interluekin.