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  2. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    The lungs expand and contract during the breathing cycle, drawing air in and out of the lungs. The volume of air moved in or out of the lungs under normal resting circumstances (the resting tidal volume of about 500 ml), and volumes moved during maximally forced inhalation and maximally forced exhalation are measured in humans by spirometry. [12]

  3. Lung - Wikipedia

    en.wikipedia.org/wiki/Lung

    The major function of the lungs is gas exchange between the lungs and the blood. [67] The alveolar and pulmonary capillary gases equilibrate across the thin blood–air barrier . [ 34 ] [ 68 ] [ 69 ] This thin membrane (about 0.5 –2 μm thick) is folded into about 300 million alveoli, providing an extremely large surface area (estimates ...

  4. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    The lungs are the largest organs in the lower respiratory tract. The lungs are suspended within the pleural cavity of the thorax. The pleurae are two thin membranes, one cell layer thick, which surround the lungs. The inner (visceral pleura) covers the lungs and the outer (parietal pleura) lines the inner surface of the chest wall. This ...

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

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

    This image was selected as picture of the day on Wikimedia Commons for 20 May 2008. It was captioned as follows: It was captioned as follows: 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.

  6. Bronchopulmonary segment - Wikipedia

    en.wikipedia.org/wiki/Bronchopulmonary_segment

    A bronchopulmonary segment is a portion of lung supplied by a specific segmental bronchus and its vessels. [1] [2] These arteries branch from the pulmonary and bronchial arteries, and run together through the center of the segment. Veins and lymphatic vessels drain along the edges of the segment.

  7. File:Lungs diagram simple.svg - Wikipedia

    en.wikipedia.org/wiki/File:Lungs_diagram_simple.svg

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

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  9. File:Alveolus diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Alveolus_diagram.svg

    Mainly found in the lung, the pulmonary alveoli are spherical outcroppings of the respiratory bronchioles and are the primary sites of gas exchange with the blood. Date: December 2007: Source: Own work using: Image:Respiratory system complete.svg) (duplicate of Image:Respiratory system complete en.svg) Author: LadyofHats: Permission (Reusing ...

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