This schedule shows the main polluting substances with their detrimental effects to our organism.

Carbon monoxide: It is produced by the waste gases of the motor vehicles and by the industial emissions. It provokes headache, nausea, psychomotor and breathing troubles, weakness. It is able to join in a stronger way than the oxygen to the iron of the hemoglobin of the red blood cells and, if it is absorbed in great quantities, it can provoke death.
Hydrocarbons: they are produced by the bad functioning of the burners of the household heating, by the bad working of the motor vehicles engines and by the industrial emissions. They provoke respiratory disturbs and cancerogenic diseases.

Lead: it is produced by cars which do not use unleaded petrol, and by industrial emissions. It provokes damages to brain, to the respiratory apparatus and to kidneys.

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