About this episode
To learn more about this topic, start your googling with these keywords:
Alveolus: any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.
Bronchiole: any of the minute branches into which a bronchus divides.
PM 2.5: tiny particles or droplets in the air that are two and one half microns or less in width.
PM 10: inhalable particles, with diameters that are generally 10 micrometers and smaller.
Nasopharynx: the upper part of the pharynx, connecting with the nasal cavity above the soft palate.
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