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.
- What is circulatory system?
- What blood is found on right hand side?
- What is semi-permaeable membrane?
- How is heart transplant done?
- Why is transpiration important?
- Why are circulatory disease harmful?