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 many times blood enters heart in one circulation?
- What is active transport?
- What is insulin?
- What is circulatory system?
- How are proteins digested?
- Where does respiration take place?