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pgnameArray[arrayIndex++] = '01  Lesson Introduction';
pgnameArray[arrayIndex++] = '02  The Structure of the Breathing System';
pgnameArray[arrayIndex++] = '03  The Lining of Air Passages';
pgnameArray[arrayIndex++] = '04  The Mechanism of Breathing';
pgnameArray[arrayIndex++] = '05  Inhalation and Exhalation';
pgnameArray[arrayIndex++] = '06  Progress Question';
pgnameArray[arrayIndex++] = '07  Gas Exchange and Transport of Gases';
pgnameArray[arrayIndex++] = '08  Test For Carbon Dioxide';
pgnameArray[arrayIndex++] = '09  Gases Present in Inhaled and Exhaled Air';
pgnameArray[arrayIndex++] = '10  Progress Question';
pgnameArray[arrayIndex++] = '11  Gas Exchange in the Lungs';
pgnameArray[arrayIndex++] = '12  Adaptations of Alveoli for Gas Exchange';
pgnameArray[arrayIndex++] = '13  Adaptations of Alveoli for Gas Exchange 2';
pgnameArray[arrayIndex++] = '14  Transport of Gases';
pgnameArray[arrayIndex++] = '15  Carbon Dioxide';
pgnameArray[arrayIndex++] = '16  Respiration and Life Processes';
pgnameArray[arrayIndex++] = '17  Mitochondria in Cells';
pgnameArray[arrayIndex++] = '18  Aerobic Respiration ';
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pgnameArray[arrayIndex++] = '20  Progress Question';
pgnameArray[arrayIndex++] = '21  Exercise and Metabolic Rate';
pgnameArray[arrayIndex++] = '22  Respiration in Plants';
pgnameArray[arrayIndex++] = '23  Anaerobic Respiration';
pgnameArray[arrayIndex++] = '24  Anaerobic Respiration 2';
pgnameArray[arrayIndex++] = '25  Progress Question';
pgnameArray[arrayIndex++] = '26  Fermentation';
pgnameArray[arrayIndex++] = '27  Other Uses of Fermentation';
pgnameArray[arrayIndex++] = '28  Smoking';
pgnameArray[arrayIndex++] = '29  Dangers of Smoking';
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pgnameArray[arrayIndex++] = '04  The Mechanism of Breathing';
pgnameArray[arrayIndex++] = '05  Inhalation and Exhalation';
pgnameArray[arrayIndex++] = '06  Progress Question';
pgnameArray[arrayIndex++] = '07  Gas Exchange and Transport of Gases';
pgnameArray[arrayIndex++] = '08  Test For Carbon Dioxide';
pgnameArray[arrayIndex++] = '09  Gases Present in Inhaled and Exhaled Air';
pgnameArray[arrayIndex++] = '10  Progress Question';
pgnameArray[arrayIndex++] = '11  Gas Exchange in the Lungs';
pgnameArray[arrayIndex++] = '12  Adaptations of Alveoli for Gas Exchange';
pgnameArray[arrayIndex++] = '13  Transport of Gases';
pgnameArray[arrayIndex++] = '14  Carbon Dioxide';
pgnameArray[arrayIndex++] = '15  Respiration and Life Processes';
pgnameArray[arrayIndex++] = '16  Aerobic Respiration ';
pgnameArray[arrayIndex++] = '17  Comparing Respiration and Burning';
pgnameArray[arrayIndex++] = '18  Progress Question';
pgnameArray[arrayIndex++] = '19  Exercise and Metabolic Rate';
pgnameArray[arrayIndex++] = '20  Respiration in Plants';
pgnameArray[arrayIndex++] = '21  Anaerobic Respiration';
pgnameArray[arrayIndex++] = '22  Anaerobic Respiration 2';
pgnameArray[arrayIndex++] = '23  Progress Question';
pgnameArray[arrayIndex++] = '24  Fermentation';
pgnameArray[arrayIndex++] = '25  Other Uses of Fermentation';
pgnameArray[arrayIndex++] = '26  Smoking';
pgnameArray[arrayIndex++] = '27  Dangers of Smoking';
pgnameArray[arrayIndex++] = '28  Lesson Summary';
}