Health of Human Respiratory System (5)

Science

Not quite remember

I easily remember

The effect of sulfur dioxide on the human respiratory system (4)

Causes lung cancer

Nitrogen dioxide (1)

Nitrogen dioxide that is released into the air is normally produced by the combustion of fuels such as petrol and diesel in motor vehicles

Nitrogen dioxide (2)

Nitrogen dioxide is a brown-coloured gas with a pungent smell

The effect of nitrogen dioxide on the human respiratory system (1)

Irritates the air passage

The effect of nitrogen dioxide on the human respiratory system (2)

Causes cough

The effect of nitrogen dioxide on the human respiratory system (3)

Causes difficulty in breathing

The effect of nitrogen dioxide on the human respiratory system (4)

Causes asthma

Haze, dust and pollen

Are solid particles which are fine, light and suspended in the air

Dust and dust production sources

The smoke from motor vehicle exhaust, open burning and forest fires produces haze and dust

Source of pollen production

Pollen released from anthers into the air is carried by the wind over long distances in all directions

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