Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What gas is present in cigarette?
Answer: There are two different harmful gases present in the cigarette. One of these is Carbon dioxide and the other one is Carbon monoxide.
- Why is heart useful?
- How is pulse detected?
- Which plants and animals would survive?
- What is chemical process in digestion?
- What are by-products of respiration?
- How does mineral salts enter roots?