The diagram illustrates some of the effects caused by nicotine and carbon monoxide in cigarette smoke. Which row is the correct one?
- A1: increase in heart rate; 2: short-term effect on cardiovascular system; 3: combines more readily with haemoglobin than oxygen
- B1: increases diameter of small arteries; 2: can cause chronic bronchitis; 3: combines irreversibly with haemoglobin
- C1: reduces the oxygen carrying capacity of blood; 2: short-term effect on gas exchange system; 3: reduces the blood supply to hands and feet
- D1: stimulates goblet cells to secrete more mucus; 2: highly addictive; 3: increases risk of blood clotting