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  2. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    Details of upper respiratory tract. The upper respiratory tract can refer to the parts of the respiratory system lying above the vocal folds, or above the cricoid cartilage. [4] [5] The larynx is sometimes included in both the upper and lower airways. [6] The larynx is also called the voice box and has the associated cartilage that produces sound.

  3. File:Respiratory system complete en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Respiratory_system...

    English: The respiratory system consists of the airways, the lungs, and the respiratory muscles that mediate the movement of air into and out of the body. Other languages: Afrikaans : Die asemhalingstelsel bestaan uit lugweë, die longe en die respiratoriese spiere wat lugbeweging in en uit die liggaam reguleer

  4. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    A comparison between the operations and effects of a cocurrent and a countercurrent flow exchange system is depicted by the upper and lower diagrams respectively. In both, it is assumed that red has a higher value (e.g. of temperature or the partial pressure of a gas) than blue and that the property being transported in the channels, therefore ...

  5. Carina of trachea - Wikipedia

    en.wikipedia.org/wiki/Carina_of_trachea

    Atlas image: lung_carina at the University of Michigan Health System - "Cast of trachea and bronchi, anterior view" (#2) [dead link ‍] "Trachea and carina — tomogram, coronal plane" at SUNY Downstate Medical Center Archived 2016-03-03 at the Wayback Machine

  6. Trachea - Wikipedia

    en.wikipedia.org/wiki/Trachea

    Mucus helps to moisten and protect the airways. [7] Mucus lines the ciliated cells of the trachea to trap inhaled foreign particles that the cilia then waft upward toward the larynx and then the pharynx where it can be either swallowed into the stomach or expelled as phlegm. This self-clearing mechanism is termed mucociliary clearance. [8]

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    mail.aol.com

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  8. Mucociliary clearance - Wikipedia

    en.wikipedia.org/wiki/Mucociliary_clearance

    Mucociliary clearance (MCC), mucociliary transport, or the mucociliary escalator describes the self-clearing mechanism of the airways in the respiratory system. [1] It is one of the two protective processes for the lungs in removing inhaled particles including pathogens before they can reach the delicate tissue of the lungs.

  9. Lung - Wikipedia

    en.wikipedia.org/wiki/Lung

    The upper, horizontal fissure, separates the upper from the middle lobe. It begins in the lower oblique fissure near the posterior border of the lung, and, running horizontally forward, cuts the anterior border on a level with the sternal end of the fourth costal cartilage ; on the mediastinal surface it may be traced back to the hilum . [ 1 ]