Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What are effects of Nicotine?
Answer: Nicotine is a drug that increases the heart beat of a smoker, it narrows the arteries and so causes high blood pressure.
- What is result of viruses when we sneeze?
- How does rate of transpiration vary?
- After chewing where does food go?
- How does air enter our lungs?
- What is disadvantage of self-pollination?
- What is an inhaler?