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RESPIRATORY SYSTEM - Coggle Diagram

- - - - Warm, humidify, and filter air
      - Produce smell (olfaction)
      - Provide resonance for voice
      - Create pathways for air & food (in the pharynx)
  - - - Conduct air to the gas-exchange surfaces
      - Provide surfaces (alveoli) for diffusion of O₂ and CO₂
      - Maintain airflow through branching bronchi and bronchioles