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.
Learn also:
- What is concentration of components in deoxygenated blood?
- Why large molecules cannot absorb into blood?
- What is bronchiole?
- What are red blood cells made up of?
- What are initial effects of tobacco smoke?
- Why are circulatory disease harmful?