(n) :
a tubeinserted in the body to drain or inject fluid; a hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus
(n) :
a tubeinserted in the body to drain or inject fluid; a hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus