"I wish my Dad would stop smoking! Doesn't he know that nicotine inhibits the _________ lining his trachea, and when they stop moving, bacteria and viruses can settle down into his lungs causing pneumonia and emphysema?"

Question

Quizplus · Accepted Answer

Cilia are tiny hair-like structures that line the trachea and are responsible for moving mucus and pathogens out of the lungs. Nicotine can inhibit their movement, increasing the risk of infections and lung diseases.

"I Wish My Dad Would Stop Smoking! Doesn't He Know