Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What are some major causes of asthma?
Answer: Some major causes of asthma include pets, tobacco smoke, cold air and even laughing and exercising can cause asthma to an ordinary person.
Learn also:
- What is transpiration?
- What causes smoker to cough?
- What is indigestion?
- What is treatment of faulty pacemaker?
- What is flu?
- Where are red blood cells made?
