[PDF] air pollutants penetrate deepest into the lungs

PM2. 5 (particles less than 2.5 micrometers in diameter) can penetrate deeply into the lung, irritate and corrode the alveolar wall, and consequently impair lung function. Hence it is important to investigate the impact of PM2.
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  • Which of these air pollutants penetrate deepest into the lungs?

    5 (particles with a diameter of 2.5 micrometres or less): these particles are so small they can get deep into the lungs and into the bloodstream. There is sufficient evidence that exposure to PM2. 5 over long periods (years) can cause adverse health effects.

  • Which particle size category is likely to penetrate most deeply into the lungs?

    Smaller particulate matter (PM2.5) poses the greatest risk because it can penetrate deeply into the lungs where it can cause inflammation and damage to the lung tissue. The health effects of particulate matter include: Lung irritation, coughing, or shortness of breath. Worsening asthma symptoms and increased attacks.

  • Which pollutant can penetrate the lungs natural Defences?

    PM2. 5 can penetrate the lung barrier and enter the blood system. They can increase the risk of heart and respiratory diseases, as well as lung cancer.
  • Nitrogen oxides are a group of air polluting chemical compounds, including nitrogen dioxide (NO2) and nitrogen monoxide. NO2 is the most harmful of these compounds and is generated from the combustion of fuel engines and industry.
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