The Immune System
| O | Y | W | I | M | M | U | N | I | T | Y | A |
| T | E | A | H | S | N | O | A | T | F | I | M |
| H | N | N | I | I | E | E | V | I | R | U | S |
| Y | I | R | I | N | T | S | G | E | T | S | H |
| M | C | X | N | Y | P | E | T | I | Z | K | H |
| U | C | R | F | L | D | C | C | L | T | E | T |
| S | A | I | E | F | A | O | H | E | A | N | M |
| H | V | E | C | B | E | J | B | L | L | R | A |
| P | N | N | T | I | H | V | I | I | E | L | S |
| M | P | D | I | W | Q | N | E | G | T | B | S |
| Y | A | V | O | O | G | U | E | R | C | N | T |
| L | G | E | N | E | S | N | E | F | E | D | A |
- ANTIBODY
- ANTIGEN
- BACTERIA
- DEFENSE
- FEVER
- GERM
- HEALING
- IMMUNITY
- INFECTION
- LYMPH
- SPLEEN
- THYMUS
- VACCINE
- VIRUS
- WHITE CELLS
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Prefer to check your work on screen? Open the answer key page.
How your body fights off germs is the theme, with antibodies, vaccines, white cells, and the lymph system all hiding in the letters. Students learning why they get sick and how they get better will connect with it. Solve it in the browser or print it for a health class.
The Immune System Word Search Answer Key
Checking a finished sheet, or stuck on the last word? The The Immune System Word Search Answer Key marks all 15 hidden words in the grid and lists the row, column and direction each one starts from. It prints on its own sheet, so you can hand out the puzzle and keep the answers.