Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What if cough is vigorous?
Answer: If the cough is vigorous, then the smoker cannot oxygenate the blood. The damaged alveoli and the effects of carbon dioxide make the smoker breathless and the smoker would feel tired on even a little exertion.
Learn also:
- What gas is present in cigarette?
- Why are Villi essential?
- What are some major causes of asthma?
- What are petals?
- What happens to excess glucose in diabetic person?
- How are xylem and phloem arranged in stem?


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