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.
Learn also:
- What blood is found on right hand side?
- What is circulatory system?
- What are initial effects of tobacco smoke?
- Why blood is medium?
- What is an artery?
- What is oxygenated blood?