WAortic body
WAquatic respiration
WBreathing
WButeyko method
WCarotid body
WCarrier's constraint
WDiaphragmatic breathing
WI can't breathe
WInhalation
WLiquid breathing
WMouth-to-mouth resuscitation
WMuscles of respiration
WNasal strip
WNasopharyngeal airway
WRed blood cell
WTidal volume