• Respiratory system
  • How lungs work
  • Protect your lungs & prevent lung disease
• Statistics
• For students
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Respiratory system

Your rely on your respiratory system to bring you the oxygen your body needs and get rid of waste gases like carbon dioxide.

Find out more:

• Diagram of the lungs and respiratory system
• How lungs work
• How smoking damages your lungs and your health
• How to protect your lungs and prevent lung diseases

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Last updated on January 7, 2010