lung

1. Either of two saclike respiratory organs in the chest of vertebrates;
   Serves to remove carbon dioxide and provide oxygen to the blood (synset 105394887)
   is a type of: respiratory organ - any organ involved in the process of respiration
   has:

   • bronchial artery - arteries that accompany the bronchioles
   • pulmonary vein, vena pulmonalis - any of four veins that carry arterial blood from the lungs to the left atrium of the heart
   • alveolar bed - lung tissue densely packed with alveoli
   • lobe of the lung - any of the three lobes of the right lung or the two lobes of the left lung
   • air cell, air sac, alveolus - a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
   is a part of: lower respiratory tract - the bronchi and lungs

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