Free MCQsLearn App Download - 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 are initial effects of tobacco smoke?
- What is pollination?
- Where does bacteria in faeces come from?
- What are properties of blood in arteries?
- From where does roots take up oxygen?
- What is glycogen and where is it stored?