Definitions for respiratory system

This page provides all possible meanings and translations of the word respiratory system

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. respiratory system, systema respiratorium(noun)

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

WiktionaryRate this definition:(0.00 / 0 votes)

  1. respiratory system(Noun)

    The system of organs serving for respiration.

FreebaseRate this definition:(0.00 / 0 votes)

  1. Respiratory system

    The respiratory system is the biological system that introduces respiratory gases to the interior and performs gas exchange. In humans and other mammals, the anatomical features of the respiratory system include airways, lungs, and the respiratory muscles. Molecules of oxygen and carbon dioxide are passively exchanged, by diffusion, between the gaseous external environment and the blood. This exchange process occurs in the alveolar region of the lungs. Other animals, such as insects, have respiratory systems with very simple anatomical features, and in amphibians even the skin plays a vital role in gas exchange. Plants also have respiratory systems but the directionality of gas exchange can be opposite to that in animals. The respiratory system in plants also includes anatomical features such as holes on the undersides of leaves known as stomata.

U.S. National Library of MedicineRate this definition:(0.00 / 0 votes)

  1. Respiratory System

    The tubular and cavernous organs and structures, by means of which pulmonary ventilation and gas exchange between ambient air and the blood are brought about.


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"respiratory system." Definitions.net. STANDS4 LLC, 2015. Web. 26 Apr. 2015. <http://www.definitions.net/definition/respiratory system>.

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