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respiratory organ

Definitions of respiratory organ
  1. noun
    any organ involved in the process of respiration
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    types:
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    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
    ctenidium
    comb-like respiratory structure serving as the gill of certain mollusks
    ceras
    one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills
    external gill
    occurs in some mollusks and in tadpoles and other immature amphibians
    type of:
    internal organ, viscus
    a main organ that is situated inside the body
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