Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What is Asthma?
Answer: Asthma is a disease in which muscles of the bronchi contract making it difficult for the person to inhale air.
Learn also:
- What are fats and functions?
- What are Cilia and why are they important?
- How body tries to fight flu virus?
- What are companion cells?
- Which chamber is connected to which vessel?
- What is anther and what does it contain?