PowerPoint to accompany

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Organs of the Respiratory System
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Mucous in Respiratory Tract
Cilia move mucus and trapped particles from the
nasal cavity to the pharynx
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Larynx

• Cartilages
• Thyroid
• Cricoid
• Epiglottic
• True vs. false vocal cords

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Uvula
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Trachea
Cross section of trachea
Wall of trachea
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Bronchial Tree
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Alveoli
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Location of Lungs
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Transverse Section of Lungs
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Clinical Application
The Effects of Cigarette Smoking on the
Respiratory System

• cilia disappear
• excess mucus produced
• lung congestion increases lung infections
• lining of bronchioles thicken
• bronchioles lose elasticity
• emphysema fifteen times more common
• lung cancer more common
• much of this damage is repaired when smoking
  stops

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Emphysema
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