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Cancer usually begins in the bronchi or bronchioles. Components of cigarette smoke contribute to the development of cancerous tumours. Study the four diagrams below, which show the development and progression of lung cancer. Listen to the video about the effects of smoking in our lungs using the link below. https://www.youtube.com/watch?v=69ROE Rq mQ cancer cens basal goblet cells cells mucus cilia (a) normal (b) cancer develops tumour thin mucous layer narrow bronchioles (c) cancer advances (d) tumour spreads 2 Ciliated cells line the bronchi. Cilia sweep away the debris trapped by the mucus. Unfortunately, the tar found in cigarette smoke slows the action of the cilia. The sludge-like tar becomes trapped in the mucus. b) Why does the build-up of tar in the bronchi limit air flow?

Cancer usually begins in the bronchi or bronchioles. Components of cigarette smoke contribute to the development of cancerous tumours. Study the four diagrams below, which show the development and progression of lung cancer. Listen to the video about the effects of smoking in our lungs using the link below. https://www.youtube.com/watch?v=69ROE Rq mQ cancer cens basal goblet cells cells mucus cilia (a) normal (b) cancer develops tumour thin mucous layer narrow bronchioles (c) cancer advances (d) tumour spreads 2 Ciliated cells line the bronchi. Cilia sweep away the debris trapped by the mucus. Unfortunately, the tar found in cigarette smoke slows the action of the cilia. The sludge-like tar becomes trapped in the mucus. b) Why does the build-up of tar in the bronchi limit air flow?

Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter38: Respiration
Section: Chapter Questions
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E- Normal No Spacing BIU ab x₂ x² AA Heading 1 4 >¶ ¶< - 2 T V Font S Paragraph S Styles Cancer usually begins in the bronchi or bronchioles. Components of cigarette smoke contribute to the development of cancerous tumours. Study the four diagrams below, which show the development and progression of lung cancer. Listen to the video about the effects of smoking in our lungs using the link below. https://www.youtube.com/watch?v=69ROE Rg mQ cancer cens➖➖➖➖ basal goblet cilia cells cells mucus MED MARED BU I (a) normal (b) cancer develops tumour narrow bronchioles REFER (c) cancer advances (d) tumour spreads 2 Ciliated cells line the bronchi. Cilia sweep away the debris trapped by the mucus. Unfortunately, the tar found in cigarette smoke slows the action of the cilia. The sludge-like tar becomes trapped in the mucus. b) Why does the build-up of tar in the bronchi limit air flow? thin mucous layer Editing Dictate Voice C Sensitivity E Sensitivity
Transcribed Image Text:E- Normal No Spacing BIU ab x₂ x² AA Heading 1 4 >¶ ¶< - 2 T V Font S Paragraph S Styles Cancer usually begins in the bronchi or bronchioles. Components of cigarette smoke contribute to the development of cancerous tumours. Study the four diagrams below, which show the development and progression of lung cancer. Listen to the video about the effects of smoking in our lungs using the link below. https://www.youtube.com/watch?v=69ROE Rg mQ cancer cens➖➖➖➖ basal goblet cilia cells cells mucus MED MARED BU I (a) normal (b) cancer develops tumour narrow bronchioles REFER (c) cancer advances (d) tumour spreads 2 Ciliated cells line the bronchi. Cilia sweep away the debris trapped by the mucus. Unfortunately, the tar found in cigarette smoke slows the action of the cilia. The sludge-like tar becomes trapped in the mucus. b) Why does the build-up of tar in the bronchi limit air flow? thin mucous layer Editing Dictate Voice C Sensitivity E Sensitivity
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