Page 15 - The Importance of the Ahl Al-Sunnah
P. 15

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           The human nose undertakes the responsibility to warm
           and moisturize the air we inhale. The mucus layer cov-
           ering the interior surface of the nose releases water va-
           por to moisture the air that enters. The large numbers of
           capillaries immediately beneath the mucus layer also
           warm the passing air, adapting it to the sensitive struc-
           ture of the lungs. This mechanism resembles the air con-
           ditioning system that regulates the levels of temperature
           and humidity in buildings. The processes summarized
           in outline here are in fact exceedingly complex.

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