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 are Cilia and why are they important?
- What is fertilization?
- What is an artery?
- What are vitamins and functions?
- Why is iron important?
- What is insulin?