respiratory system

respiratory system n. The integrated system of organs involved in the intake and exchange of oxygen and carbon dioxide between an organism and the environment.

respiratory system A. lung B. bronchial tubes C. nose D. mouth E. trachea F. diaphragm

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respiratory system

n

(Life Sciences & Allied Applications / Anatomy) the specialized organs, collectively, concerned with external respiration: in humans and other mammals it includes the trachea, bronchi, bronchioles, lungs, and diaphragm

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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

Thesaurus

Noun

1.

respiratory system - the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing systema respiratorium body, organic structure, physical structure - the entire structure of an organism (an animal, plant, or human being); "he felt as if his whole body were on fire" system - a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion" respiratory tract, airway - the passages through which air enters and leaves the body respiratory organ - any organ involved in the process of respiration trachea - one of the tubules forming the respiratory system of most insects and many arachnids