Respiratory tract

respiratory tract n.
The air passages from the nose to the pulmonary alveoli, including the pharynx, larynx, trachea, and bronchi.

respiratory tract definition

The path that air follows as it is inhaled and directed into the lungs. The respiratory tract includes the nose and nasal passages, the throat and trachea, and the bronchial tubes.


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  • Respire

    verb (used without object), respired, respiring. 1. to inhale and exhale air for the purpose of maintaining life; breathe. 2. to breathe freely again, after anxiety, trouble, etc. verb (used with object), respired, respiring. 3. to breathe; inhale and exhale. 4. to exhale. verb 1. to inhale and exhale (air); breathe 2. (intransitive) to undergo […]

  • Respirometer

    [res-puh-rom-i-ter] /ˌrɛs pəˈrɒm ɪ tər/ noun 1. an instrument for measuring the extent of respiratory movement. 2. an instrument for measuring oxygen consumption or carbon dioxide production in an isolated tissue. respirometer res·pi·rom·e·ter (rěs’pə-rŏm’ĭ-tər) n. An instrument for measuring the degree and nature of respiration.

  • Respirometry

    [res-puh-rom-i-tree] /ˌrɛs pəˈrɒm ɪ tri/ noun 1. the branch of medical science dealing with the measurement and analysis of respiration.

  • Respirs

    respirs respirations

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