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 much is life of red blood cell?
- What are proteins and functions?
- How does content diffuse into cells from blood?
- Where does bacteria in faeces come from?
- What happens if excess lactic acid is produced?
- What are products of respiration?