The respiratory system

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Chapter topics:

  1. The respiratory system
  2. The body needs oxygen
  3. Structure of the respiratory system
  4. Inhalation, exhalation and the respiratory muscles
  5. The upper and lower respiratory tracts
  6. Alveoli are responsible for gas exchange
  7. Transport of oxygen in the blood
  8. Cellular respiration
  9. Transport of carbon dioxide in the blood
  10. The stages of breathing
  11. Regulating respiration
  12. Summary

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