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SBI3C: Case Study-Smoking and Lung Cancer /16 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 cells cells mucus cilia I (b) cancer develops thin mucous layer PERROR (d) tumour spreads COREL MARES (a) normal tumour (c) cancer advances narrow bronchioles

SBI3C: Case Study-Smoking and Lung Cancer /16 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 cells cells mucus cilia I (b) cancer develops thin mucous layer PERROR (d) tumour spreads COREL MARES (a) normal tumour (c) cancer advances narrow bronchioles

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Case Study-Smoking and Lung Cancer /16 SB13C: 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 cells cells mucus cilia I (a) normal (b) cancer develops tumour thin mucous layer PEERER (d) tumour spreads (c) cancer advances narrow bronchioles
Transcribed Image Text:Case Study-Smoking and Lung Cancer /16 SB13C: 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 cells cells mucus cilia I (a) normal (b) cancer develops tumour thin mucous layer PEERER (d) tumour spreads (c) cancer advances narrow bronchioles
ormat Tools Normal text Calibri + 18 BIU A ==== = ▼ 10 1 2 3 4 5 6 II 1 1 7 4 Diagram C shows how the tumour begins to grow. d) Why has the mucous layer in diagram C decreased in size? 5 While the cancerous tumour is still walled in by the basal membrane in diagram C, the tumour breaks through the membrane in diagram D. At this stage, the tumour may spread to other parts of the body. Cancer cells often use lymph vessels as pathways to other parts of the body, where they continue to divide. e) Why does this characteristic make cancer especially dangerous? Y eip C- I
Transcribed Image Text:ormat Tools Normal text Calibri + 18 BIU A ==== = ▼ 10 1 2 3 4 5 6 II 1 1 7 4 Diagram C shows how the tumour begins to grow. d) Why has the mucous layer in diagram C decreased in size? 5 While the cancerous tumour is still walled in by the basal membrane in diagram C, the tumour breaks through the membrane in diagram D. At this stage, the tumour may spread to other parts of the body. Cancer cells often use lymph vessels as pathways to other parts of the body, where they continue to divide. e) Why does this characteristic make cancer especially dangerous? Y eip C- I
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