Columns:
Rows:

Immune System Word Search Puzzle

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Flap 1 Flap 2
these cells are the first ones to fight invaders  white blood cells  
act as little flags so the invaders can be quickly andeasily destroyed  antibodies  
this is where T cells and B cells are created and trained  thymus  
these cells create antibodies  B cells  
Send out a chemical that lets the other cells know whatvirus or bacteria has invaded the body  T cells  
After pus forms, these arrive to destroy the invaders  macrophages