Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What is cough?
Answer: Coughing is the sudden clearing of the air passage. But coughing along with sneezing or running nose means that you have cold or you're ill.
- How is food absorbed?
- What are some major causes of asthma?
- How is starch processed?
- What is activation energy?
- Why is iron important?
- What is major content of cigarette?