Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
Why is cold caused?
Answer: Cold is caused by neither bacteria nor fungi, it is caused by a special virus which enters the nose and throat breaking down the cells that line up these passages.
- What is job of platelets?
- What is ovary?
- How flu virus enters?
- Where are pulses felt?
- What are symptoms of cold?
- What happens in small intestine?