PDFPuzzle on page 1, answer key on page 2
HealthMedium–hardFree PDF + answer key
Free Immune System Word Search (Printable PDF + Answer Key)
When a PATHOGEN gets into the body, the immune system answers in layers, and this free word search names the players, with the answer key on page two. The first responses are INFLAMMATION and FEVER, and the MACROPHAGE, a WHITEBLOODCELL that swallows invaders.
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15hidden words
12+suggested age
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The 15 Words in This Puzzle
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About the Immune System word search
Then the targeted defense starts. Each LYMPHOCYTE recognizes one ANTIGEN: a TCELL attacks infected cells, a BCELL makes the matching ANTIBODY, and a MEMORYCELL remembers the invader for next time, which is how a VACCINE builds IMMUNITY. The SPLEEN and each LYMPHNODE are where these cells gather. The word list runs medium-to-hard and suits students from about 12 up. More in the health word searches.
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