Health of Human Respiratory System (1)

Examples of substances that are harmful to respiratory health

Cigarette tar, carbon monoxide, sulphur dioxide, nitrogen dioxide, haze, dust and pollen

Acronym for 'Total Aerosol Residue'

Tar

Source of cigarette tar

Cigarette smoke

Source of carbon monoxide

Cigarette smoke and exhaust gases of motor vehicles

Source of sulphur monoxide

Combustion of coal from the power station

Source of nitrogen dioxide

Combustion of fuel like petrol and diesel in motor vehicles

The acronym used to report the quality of air

Air Pollutant index (API)

Symptoms of asthma

Shortness of breath, wheezing and coughing

Symptoms of bronchitis

Shortness of breath, persistent coughing and insomnia

Definition of emphysema

Damaged alveolus in the lungs due to harmful substances in the air