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 are xylem and phloem arranged in stem?
- What is root pressure?
- What is mechanical process in digestion?
- What is happening to heart?
- What is meant by word extinct?
- What are companion cells?