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.
- What are capillaries?
- Why are Villi essential?
- How is deoxygenated blood pumped to lungs?
- How can constipation be prevented?
- What happens in small intestine?
- How flu virus enters?