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.
- Why is transpiration important?
- What is oxygenated blood?
- What is pulmonary vein?
- What is anaerobic respiration?
- Why we should not breathe through mouth?
- What happens if less oxygen is absorbed in blood?