Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What causes smoker to cough?
Answer: A smoker coughs when excess mucus is collected in bronchioles. The smokers' cough is very harmful for the respiratory system.
- What is diffusion?
- Does bronchi and bronchioles process air?
- What is digestion?
- What happens when blood enters ventricles?
- Which plants and animals would survive?
- What are raw products used by plants?
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