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.
Learn also:
- What is quantity of white blood cells in blood?
- What are cross walls?
- What are companion cells?
- Are varicose veins dangerous?
- How are gases transported?
- Where is faeces stored?


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