Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
Why is cold caused?
Answer: Cold is caused by neither bacteria nor fungi, it is caused by a special virus which enters the nose and throat breaking down the cells that line up these passages.
- Where does respiration take place?
- What is job of xylem?
- What are chances of smoker of getting lung cancer?
- What happens if diabetes is not treated?
- What are pacemakers?
- Where are dead red blood cells broken?