RESPIRATORY SYSTEM Definition & Meaning

respiratory system

noun

Anatomy.

the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place; in mammals the system includes the nasal passages, pharynx, trachea, bronchi, and lungs.

respiratory system

noun

the specialized organs, collectively, concerned with external respiration: in humans and other mammals it includes the trachea, bronchi, bronchioles, lungs, and diaphragm

respiratory system

The system of organs and structures in which gas exchange takes place, consisting of the lungs and airways in air-breathing vertebrates, gills in fish and many invertebrates, the outer covering of the body in worms, and specialized air ducts in insects.

respiratory system

The organs in the body involved in respiration . Air enters the body through the nose and mouth and travels down the trachea , through the bronchial tubes , and finally into the lungs . Once in the lungs, the air is drawn into an enormous number of thin-walled sacs richly supplied with capillaries . The exchange of oxygen and carbon dioxide in the blood takes place in these tiny sacs.

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�y��vlog History and Origins

Origin of respiratory system¹

First recorded in 1935–40

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Example Sentences

Examples have not been reviewed.

From there, they sneak past the protective barrier lining the respiratory system and head to the lymph nodes in search of cells that express a particular protein called signaling lymphocytic activation molecule, or SLAM.

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Caged birds were used as living carbon monoxide detectors starting in the late nineteenth century — thanks to their highly efficient respiratory systems, the birds died from gas leaks long before human miners did.

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According to a recent analysis in the New England Journal of Medicine, the teen’s virus also had mutations that would allow H5N1 to more easily infect and reproduce in the respiratory system.

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The drugs supress the respiratory system, so people can die because they stop breathing, but the symptoms of an overdose can be reversed by taking an antidote called naloxone.

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A month before his sacking, he had warned against using traditional means of treating patients for Covid, such as inhaling boiled herbs, saying this would block the respiratory system.

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