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 tobacco smoking?
- What happens if excess lactic acid is produced?
- How does water and mineral salts reach xylem vessels?
- What are bad effects of smokers cough?
- What is quantity of white blood cells in blood?
- What is job of fibrinogen?