Question

Give the effects of air pollutants on human health

Answer 1

	Pollutants	Effects on human being
1	Carbon monoxide	a)It reduces oxygen carrying capacity of haemoglobin which leads to hypoxia. b)It causes headache, muscular weakness, nausea, exhaustion. c)Excess formation of carboxyhaemoglobin leads to death due to COpoisoning.
2	Hydrogen sulphide	a)Headache, nausea, collapse, conjunctivitis, irritation of mucus membrane, colic diarrhoea, bronchial pneumonia, coma and even death. b) Loss of appetite
3	Tobacco smoke	a)Lung cancer, pulmonary and heart diseases. b)Thickening of bronchial epithelial layer. c) Loss of ciliated cells. d) Appearance of cells with bizarre nuclei (cancerous cells)
4	Sulphur dioxide	Increases chances of occurrence of asthma, bronchitis, emphysema, etc.
5	N2O	Long exposure causes acute respiratory diseases.