O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2011 · Q251 Mark
What is a major effect of nicotine in tobacco smoke?
AIt causes lung cancer.
BIt destroys cilia in the trachea.
CIt increases mucus production in the trachea.
DIt increases the desire to smoke.
✓ Correct answer
D: It increases the desire to smoke.
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