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CAIE IGCSE Biology 9.4.4 Roles of Blood Clotting As Preventing Questions

Review why clotting limits blood loss and prevents pathogens entering wounds, then use platelet-count results to reason about bleeding risk.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • explain how a low platelet count delays clotting and increases the risk of bleeding

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