Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
How many chemicals are used in tobacco smoke?
Answer: When we smoke tobacco, we are inhaling very harmful chemicals. The number of chemicals present in a cigarette is nearly 300.
- What are effects of Nicotine?
- What is digestion?
- What is ovary?
- What is bronchiole?
- Where do gases enter and leave plant?
- What is size of white blood cell?