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Process of Breathing: In a Nutshell (Nursing)

by Rhonda Lawes

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    00:00 So let's wrap up this video series. The upper airway consists of the nasal cavity, pharynx, and larynx. The upper airway warms, moistens, filters, and delivers air to the lower respiratory system. The lower airway consists of the trachea, bronchi, and lungs. Lower airway facilitates gas exchange at the bronchioles and the alveolar ducts. Now gas exchange occurs only in the alveoli which are thin walled, really thin walled parenchymal cells. Alveoli are in direct contact with the capillaries of the circulatory system so oxygen diffuses from the alveoli into the blood and is distributed to the rest of the body. Carbon dioxide or CO₂ will diffuse from the blood into the alveoli to be exhaled. Thank you for watching our video today.


    About the Lecture

    The lecture Process of Breathing: In a Nutshell (Nursing) by Rhonda Lawes is from the course Review: Anatomy and Physiology of the Respiratory System (Nursing).


    Included Quiz Questions

    1. Pharynx
    2. Bronchi
    3. Respiratory bronchioles.
    4. Trachea
    5. Capillaries

    Author of lecture Process of Breathing: In a Nutshell (Nursing)

     Rhonda Lawes

    Rhonda Lawes


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