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 happens when blood enters ventricles?
- What is mechanical process in digestion?
- How does humidity affect rate of transpiration?
- How does rate of transpiration vary?
- What is diarrhea?
- What is food poisoning?