Pollutant- a substance that contamintates something such as air or water and may make it unsafe
Respiratory disorders- conditions affecting the upper respiratory tract, trachea, bronchi, bronchioles, alveoli, pleura and pleural cavity
Cardiovascular problems- any disorder or disease of the heart or blood vessels
Pollutants in the environment include;
Nitrogen
Carbon monoxide
Carbon dioxide
Methane
Aerosols
Sulfur Dioxide
Argon
Chlorine
Lead
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Exposure to Pollution 2
Air and water pollution can influence development and be a major source of ill health
Growing concern about the impact of quality and the contribution it makes to causing particular illnesses
The environment may contain many chemicals from vehicle exhaust systems and industrial emissions
Household pollutants include mould and cleaning products that emit poisonous gases
Repiratory disorders affect the nerves and muscles for breathing
Impacts on the lining of the air passages
Respiratory disorder's range from; a runny nose or a sore throat (mild), bacterial pneumonia, chronic obstructive pulmonary disease and lung cancer (severe)
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Exposure to Pollution 3
Cardiovascular problems can be caused by tobacco smoke which is linked to changes in the lining of the heart and blood vessels causing clots (thrombosis)
Air pollution has also been linked to an increased risk of thrombosis and a raised blood pressure
Exposure to pollution during pregnancy may be linked to the baby having a congenital defect and cardivascular disease later on in life
Allergies are caused by dust and pollen
The immune system overreacts
Hay fever and asthma are allergies
Hay fever is a seasonal reaction (runny nose, watery eyes, and sneezing, these are flu-like symptoms)
Asthma can be miled to life threatening
3 people a day die from asthma
Motor vehicles produce pollutants (carbon monoxide, nitrogen oxides etc)
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