Inhalation and exhalation should be gradual and natural, not spasmodic.
With every inhalation he choked, filling his mouth and nostrils more with dust than with air.
The benefit derived from the inhalation of steam is considerable.
Then it occurred to Cheenbuk to apply the power of suction instead of inhalation.
Give ether or chloroform by inhalation, and chloral internally.