Biology 0610 · IGCSE · Diseases and immunity

Diseases and immunity — practice question

Some body features that protect against pathogens are shown. Which of these features stop pathogens from getting into body tissues?

  • A1, 2, 3 and 4
  • B1, 2 and 3 only
  • C2 and 3 only
  • D4 only

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