respiratory system love

respiratory system


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The system of organs and structures, such as lungs in mammals and gills in fish, involved in the exchange of oxygen and carbon dioxide between an organism and its environment.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The system of organs serving for respiration.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing


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