Smoking

• Bronchitis


  Inflammation of the passages and soreness of the lungs
• Smoking

  • Adaptations of alveoli: Thin
  • Large
  • Moist
  • Good blood supply
• Tar


  • Coats lungs
  • Causes less capable of oxygen transport
  • Causes cancer
  • Contains poisonous gas
• Nicotine

  • Raises blood pressure
  • Narrows arteries
  • Causes high heart beat
  • Addictive
• Carbon monoxide


  • Joins up with red blood cells
  • Makes them incapable of oxygen transport
• Emphysema


  • Destruction of the alveoli for gas exchange
  • Causes shortness of breath
  • Lungs are swollen
  • Irritates