respiratory organ

Noun
  1. Any organ involved in the process of respiration (synset 105535693)
    is a type of: internal organ, viscus - a main organ that is situated inside the body
    subtypes:
    • branchia, gill - respiratory organ of aquatic animals that breathe oxygen dissolved in water
    • lung - either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
    • book lung - organ in many arachnids containing many thin folds of membrane resembling the leaves of a book
    is a part of: respiratory system, systema respiratorium - the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing

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