#lung  either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
  supertype:  #respiratory_organ__respiratoryorgan  any organ involved in the process of respiration
  part:  #bronchial_artery  #pulmonary_vein  #alveolar_bed  #lobe_of_the_lung  #alveolus
  part of:  #lower_respiratory_tract__lowerrespiratorytract  the bronchi and lungs

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