Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
How flu virus enters?
Answer: Flu virus enters from mouth, nose or eyes and make their way towards the throat. When these viruses reach the throat they start to multiply moving towards the lungs.
- Where does respiration take place?
- What are carbohydrates and functions?
- What is oxygenated blood?
- What is cough?
- What plants do if water intake is less?
- How does air reach blood vessels?