ConceptConceptDocsDocuments

CAIE A-Level Biology 9.1.1 Human Gas Exchange System Structure

Practise tracing air from trachea through bronchi and bronchioles to alveoli, then distinguish airway structures in images using branching, position and tissue evidence.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • trace inhaled air from trachea through bronchi and bronchioles to alveoli
  • identify a bronchus as the airway that branches repeatedly to form bronchioles
  • locate alveoli beside dense capillary networks where respiratory gases diffuse

No Question Bank Yet

Questions will appear here when available.