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.
- Which vessel carries blood to lungs?
- What are xylem and phloem?
- How much is life of red blood cell?
- What is treatment of faulty pacemaker?
- What are antibodies?
- What is ovary?