Immune System Crossword Puzzle

A themed crossword with 46 clues to draw from. Find words for immune cells, defenses, infections, and the body's ways of recognizing and responding to threats.

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About the Immune System Crossword Puzzle

This puzzle covers the cells, organs, and processes that help the body defend itself. Look for terms such as antibody, lymphocyte, spleen, vaccine, and inflammation, along with names of immune cells and common kinds of pathogens. It is suited to students learning human biology, as well as anyone reviewing how the body's defenses work.

This crossword draws on 46 clues about Immune System. Each grid uses a different handful and fits them together a new way, so press New puzzle for another whenever you finish. The answers are in the answer key when you print, and behind the Reveal button when you play.

Sample clues

  • •Overreaction to a usually harmless substance (7 letters)
  • •Lymphocyte type that matures in bone marrow (5 letters)
  • •Follow-up dose that strengthens protection (7 letters)
  • •White blood cell that combats parasites (10 letters)
  • •Process that provides protection against disease (12 letters)
  • •Small filtering gland along vessels carrying clear fluid (9 letters)
  • •Sticky secretion lining the airways (5 letters)
  • •Defender that engulfs microbes (9 letters)

Teaching this topic or planning a party? Make your own crossword with your own words and clues.

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