The nose is the entrance door of the air
in our body and intervenes in an essential event for survival: breathing.
Since breathing is vital, Mother Nature has provided us with an
emergency channel that intervenes in the event of a blockage of the nose: oral respiration. If it were not possible to breathe from the
mouth we would risk dying suffocated even after a common cold.
Breathing through the
mouth must be an exceptional event and of short duration, because the air flows that pass through this channel do not enjoy the
effect of air conditioning provided by the nose. The breathing of non-conditioned air over time has serious repercussions on the lower airways (trachea
and bronchi).
To give an idea of the quantities of air involved, it should
be borne in mind that in an adult person, in a state of rest, pass through the
nose about 6 l of air per minute, to reach 50-70l/minute, during intense physical efforts! The passage of such quantities of air
is considerable work for the internal structures of the nose.
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