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.
- After digestion in stomach where does food move?
- What is ovary?
- What is affect of light on rate of transpiration?
- In large trees how gases are exchanged?
- What is diaphragm?
- Why is it better to breathe through nose?