#hypoxia  a very strong drive resulting from a deficiency of available oxygen in the blood and bodily tissues (short of anoxia)
  supertype:  drive.physiological_state  a physiological state corresponding to a strong need or desire
  subtype:  anemic_hypoxia  hypoxic_hypoxia  ischemic_hypoxia  altitude_sickness  anoxia
  part of:  asphyxia  a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas

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