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 are intercoastal muscles?
- Are varicose veins dangerous?
- What is egestion?
- Which chamber is connected to which vessel?
- How long it takes to recover from heart transplant?
- How many times blood enters heart in one circulation?