Cheyne-Stokes respiration second wind inspiration eupnoea bodily process hyperpnea breathing expiration abdominal breathing activity heaving panting artificial respiration stertor breathing out hyperventilation smoke intake aspiration respiration sniffle smoking bodily function breathing in periodic breathing snivel snore snoring ventilation snuffle exhalation inhalation hypopnea wheeze body process eupnea

heat engine steam engine

metabolism cellular respiration internal respiration metabolic process

Cheyne-Stokes respiration second wind inspiration eupnoea bodily process hyperpnea breathing expiration abdominal breathing activity heaving panting artificial respiration stertor breathing out hyperventilation smoke intake aspiration sniffle smoking bodily function breathing in periodic breathing snivel snore snoring ventilation snuffle exhalation inhalation hypopnea wheeze external respiration body process eupnea

bodily function activity bodily process body process

outer outside spatial relation position

foreign international outside

outside extrinsic extraneous

feature characteristic

outward