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 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?

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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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
MARO
FDDYSPO
(b) cancer develops
thin mucous layer
narrow bronchioles
TURN
MOHA
(c) cancer advances
(d) tumour spreads
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?
(a) normal
tumour
Transcribed Image Text: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 MARO FDDYSPO (b) cancer develops thin mucous layer narrow bronchioles TURN MOHA (c) cancer advances (d) tumour spreads 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? (a) normal tumour
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