Question

Our respiratory system has a number of mechanisms that help protect us from air pollution. The hair
in the hose fiters out large particles. The sticky mucus in the lining of the upper respiratory tract captures smaller particles and dissolves some gaseous pollutants. When the upper respiratory system is initated by pollutants, sneezing and coughing expel the contaminated air and mucus. Prolonged smoking or exposure to air pollutants can overload or breakdown these natural defences, causing or contributing to diseases such as lung cancer, asthma, chronic bronchitis and emphysema. Elderly people, infants, pregnant women and people with heart disease, asthma or other respiratory diseases are especially vulnerable to air pollution Cigarette smoking is responsible for the greatest exposure to carbon monoxide, Carbon monoxide in heavy traffic causes headache, drowsiness and blurred vision, in large doses, it can even cause death by carbon monaside pooning​

Answer 1

Answer:

where is the question you have given explanation about our respiratory system