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MECANISMES DE DEFENSE DU POUMON

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<strong>POUMON</strong><br />

= organe exposé à l’extérieur<br />

Exposition à l’inhalation quotidienne minimale de :<br />

0,5 L x 14 /min x 60 min x 24 h ≈ 10 000 L d’air<br />

Air inhalé<br />

phase gazeuse (79% N 2 et 21% O 2 )<br />

± gaz contaminants : CO, CO2, NO, NO2<br />

ozone, hydrocarbures<br />

particules inorganiques ou organiques

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