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?
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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