Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What are first symptoms of flu?
Answer: The first common symptoms of flu are three i.e. runny nose, sore throat and cough. If not treated at an early stage the symptoms can get stronger and stronger.
Learn also:
- What is pulmonary vein?
- What is egestion?
- What happens after exchange of substances?
- What are bad effects of smokers cough?
- Where does respiration take place?
- How does large trees take up water?