Cigarette smoke includes carbon monoxide, nicotine and tar. Which row gives the correct description of how these substances affect the body?
- Acarbon monoxide: stimulates nerve endings; nicotine: stimulates the nervous system to reduce the diameter of the arteries; tar: leads to obstructive lung disease
- Bcarbon monoxide: forms carbaminohaemoglobin; nicotine: increases the risk of blood clots; tar: blocks goblet cells
- Ccarbon monoxide: causes increased blood pressure; nicotine: combines with haemoglobin; tar: increases the risk of blood clots
- Dcarbon monoxide: combines with haemoglobin; nicotine: stimulates nerve endings; tar: carcinogenic