Body System
respiratory system

res·pi·ra·to·ry sys·tem [ res-pih-ruh-tor-ee sis-tem ]
Subclass of:
Anatomy (MeSH Category)
Definitions related to respiratory system:
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Anatomical context: Organ system, each instance of which consists of tubular and cavernous structures related to airflow from some mouth and nose to some lungs and vice-versa. Functional system which consists of structures involved in respiration (gas exchange).Foundational Model of AnatomyUniversity of Washington, 2017
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Structure and passages involved with the intake, expulsion, and exchange of oxygen and carbon dioxide between blood and air; they include the nose, pharynx, larynx, trachea, bronchi, and the lungs.CRISP ThesaurusNational Institutes of Health, 2006
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The organs and anatomic structures involved in inspiration and expiration of air and the exchange of carbon dioxide and oxygen.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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The organs involved in the exchange of carbon dioxide and oxygen including the trachea, bronchi, and lung parenchyma.NCI ThesaurusU.S. National Cancer Institute, 2021
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The organs that are involved in breathing. These include the nose, throat, larynx, trachea, bronchi, and lungs.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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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.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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To sustain life, the body must produce sufficient energy. Energy is produced by burning molecules in food, which is done by the process of oxidation (whereby food molecules are combined with oxygen). Oxidation involves carbon and hydrogen being combined with oxygen to form carbon dioxide and water. The consumption of oxygen and the...Merck & Co., Inc., 2020
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Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide. The human gas-exchanging organ, the lung, is located in the thorax, where its delicate tissues are protected by the bony and muscular thoracic cage. The lung provides the tissues of the human body with a...Encyclopedia Britannica, Inc., 2020
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Respiratory system, the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. In the living organism, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon. The term respiration denotes...Encyclopedia Britannica, Inc., 2020
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