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  2. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    In humans and other mammals, the anatomy of a typical respiratory system is the respiratory tract.The tract is divided into an upper and a lower respiratory tract.The upper tract includes the nose, nasal cavities, sinuses, pharynx and the part of the larynx above the vocal folds.

  3. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    The right lung has three lobes – upper, middle, and lower (or superior, middle, and inferior), and the left lung has two – upper and lower (or superior and inferior), plus a small tongue-shaped portion of the upper lobe known as the lingula. Each lobe is further divided up into segments called bronchopulmonary segments. Each lung has a ...

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

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

    Español: Diagrama esquemático del sistema respiratorio humano, mostrando los pulmones, los alvéolos, y los músculos que permiten al aire entrar y salir del cuerpo. Íslenska : Skýringarmynd sem sýnir öndunarfæri mannsins.

  5. Respiratory center - Wikipedia

    en.wikipedia.org/wiki/Respiratory_center

    The respiratory center is located in the medulla oblongata and pons, in the brainstem.The respiratory center is made up of three major respiratory groups of neurons, two in the medulla and one in the pons.

  6. Nasal concha - Wikipedia

    en.wikipedia.org/wiki/Nasal_concha

    The inferior conchae are graded 1–4 based on the inferior concha classification system (known as the inferior turbinate classification system) in which the total amount of the airway space that the inferior concha takes up is estimated. Grade 1 is 0–25% of the airway, grade 2 is 26–50% of the airway, grade 3 is 51–75% of the airway and ...

  7. Respiratory tract infection - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract_infection

    Respiratory tract infections (RTIs) are infectious diseases involving the lower or upper respiratory tract. [1] An infection of this type usually is further classified as an upper respiratory tract infection (URI or URTI) or a lower respiratory tract infection (LRI or LRTI).

  8. File:Sistema respiratorio.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Sistema_respiratorio.pdf

    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.

  9. Respiratory system of insects - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system_of_insects

    Development of the tracheal system in Drosophila melanogaster.. An insect's respiratory system is the system with which it introduces respiratory gases to its interior and performs gas exchange.