Can a baby breathe through its mouth?
During the first 4 to 6 months of life, the infant is an
obligate nose breather. In simplistic form, the airway from the
nose to the larynx is wide open. It does not take much skill to
breathe this way. As the tongue starts falling back into the mouth,
and the epiglottis starts to descend, breathing becomes more
complex because of the space created between the soft palate and