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Lungs 101 | National Geographic ctm magazine

The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses.
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Read more in “Lungs and How They Fuel Our Bodies With Oxygen”

Lungs 101 | National Geographic

National Geographic



  • National Geographic on June 6, 2019

    Our lungs fuel us with oxygen, the body's life-sustaining gas. To learn more, you can read on here: https://on.natgeo.com/2MnlSqx

  • Jeon Gianna on October 30, 2019

    My breathing accelerated while watching this.

  • Insert Name on December 27, 2019

    Hi i am 213849493828182947362710 yrs old and you did’nt read that, you read that again didn’t you

  • Dominique Medina on February 1, 2020

    So how does our body exclude co2 and get o2 when we breath in?

  • Sayeed Arman on February 9, 2020


  • Ashish Ranjan on March 1, 2020

    In my opinion the exchange of gases is known as Breathing, not Respiration.

  • Zehrt Andrei on March 8, 2020

    I watch dis video
    I was breathing manually

  • sue sneed on March 8, 2020

    What about asthma

  • Arcadiy Brain on April 25, 2020

    "But despite their vulnerability,
    their anatomical design allows them to stay strong
    and play a vital role in fueling the body. ". The structure of the lungs convinces me of the existence of the Creator. Lungs are complex engineering.

  • Hang Pham Minh on May 21, 2020

    Now theres covid 19

  • Mariano David on May 27, 2020


  • Queen Eishal on June 9, 2020

    Kottai chammar koch NAHI pata toje

  • DEVIL COMMANDER on August 4, 2020

    Yo its like a car engine.

  • The Galvamoth on September 29, 2020

    I wonder who else started breathing on purpose while watching this.

  • Inessa Irdayanty Khairil Anwar on October 26, 2020

    I didn’t actually know about the lobes.

  • HayonD on October 27, 2020




  • yametekudasai. on November 8, 2020


  • Vlogs World Official on November 28, 2020

    One of my Aunt died due to Lungs failure ! May Allah rest her soul in peace !

  • Audie Cruz on December 6, 2020

    i had hard time breathing watching this 🤣

  • Audie Cruz on December 6, 2020

    Plus iam only here cause of my teacher🤣

  • Cari Baez on December 18, 2020

    Nice video! 🙏

  • Dmitry DMITRY on February 5, 2021

    恶性 肿 瘤 的 发生

  • Sharon Dawson on April 13, 2021

    I was diagnosed with tumor in left lung in 2013. In the first two biopsy reports a negative result came for malignancy. Thereafter in an advanced biopsy report positive result came. Since then I have undergone 6 chemotherapy and 36 radiation sittings which resulted in decrease in size of tumor. However, after 3 months there was an increase of 3 mm in size and also accumulated pleural fluid. This fluid was tapped out and in biopsy result was positive for malignant cells. Again I was advised for 6 chemotherapy treatments, which I later carried out all to no avail It was my brother's wife her mom was a survivor cured by DR.HARVEY she told me about him I requested for his contact information emailed him and told him everything that was going on in my life he responded back gave me instructions on what to do I followed his instructions I bought his herbal remedy and he delivered it to me and started giving me instructions on how to administer it which I obeyed and using this herbal remedy for 2 weeks on the 4th week I went back to my Doctor and carried out my tests and behold I was totally cured and healed by DR.HARVEY herbal remedy with no signs or any symptom of cancer in my body.

    Sir I'm forever grateful to you and I will continue to share the Good news to the world for what you did in my life sir I'm grateful..

    You can contact DR.HARVEY VIA EMAIL:[Drharveyphytotherapy@yahoo.com]


  • Tammie Knuth on April 23, 2021

    Chokehold and strangulation

  • William Henry on May 27, 2021

    Finally I got cured of 4 years chronic lower respiratory disease, I'm now free ♥️♥️ ❤️ I appreciate Dr. Gbenga for his help.

  • William Henry on May 27, 2021

    Get a permanent cure on chronic lower respiratory disease using an herbal mixture, I have been cured from this illness since Jan 2, 2021 using an herbal medicine from Dr. Gbenga.

  • William Henry on June 1, 2021

    Finally I got cured of 4 years chronic lower respiratory disease, I'm now free ♥️♥️ ❤️ I appreciate Dr. Gbenga for his help.

  • Samantha Alice on June 3, 2021

    All thanks to Dr martins abul who helped me with a cure to get rid of my lungs infection, thank you sir for saving my life🙏

  • Verinda Yuniar Hasanah on June 7, 2021

    Breathe in, breathe out.

    With every breath, the body is replenished and cleansed.
    A process made possible. by two of the body's most important and delicate organs.
    The lungs are two major components of the respiratory system.
    Soft, light, and elastic, these organs are prime for taking in and filing up with air.
    Each lung is subdivided into compartments called lobes.
    The right lung has three, and the left lung, which is slightly smaller to accommodate the positioning of the heart, has two.
    This compartmentalization provides a fail-safe for the lungs, so that if one lobe is damaged, the four other lobes may remain intact` and able to function.
    The lobes are also connected to separate branches, called bronkai, of the trachea, which delivers air from the nose and mouth.
    These branches provide the lobes independent supplies of air.
    Within' each lobe, the bronkai split off into numerous smaller offshoots that end in air sacs.
    Known as alveoli, these sacs are responsible for a crucial exchange of air.
    When a person inhales, oxygen fills the alveoli.
    The alveolar walls, which contain countless capillaries, are so thin that the oxygen inhaled can pass through them, and be absorbed by blood cells within' the capillaries.
    A similar transaction occurs in the opposite direction.
    Carbon dioxide waste transported in the bloodstream can pass through the alveolar walls.
    From there, they are expelled with every exhalation.
    This exchange of gases, knows as respiration, is what gives the respiratory system its name.
    Because of their intake of air, the lungs are constantly exposed to the elements, and sometimes fall victim to them.
    Lung conditions may develop, such as emphysema, which for some is caused by the inhalation of tobacco smoke.
    And pneumonia, which can be caused by the inhalation of infectious organisms.
    All together, these and other lung diseases are the fourth-leading cause of death in the United States.
    The lungs are delicate organs.
    But despite their vulnerability, their anatomical design allows them to stay strong and play a vital role in fueling the body.

  • Abboud on June 24, 2021


  • ervin dyah on July 1, 2021

    i have a question,National Geographic.What happen if the lungs is a lungs cancer?

  • Gabriel Apolonio on July 18, 2021

    1,0000000,00000000,00000 breating

  • Gabriel Apolonio on July 18, 2021

    1,00000000,0000000,0000 breathing

  • kaeudomt on August 4, 2021

    Where you get the lungs illustration?

  • Anahata अनाहत on August 25, 2021

    The faster you breath the more your heart rate increases the slower you breath the more your heart rate decreases, when you control the breath you control the heart which controls the entire body.

  • Ahmed Seddik on October 5, 2021

    Wonderful. Thank you.

  • Silver Spector on November 21, 2021

    Let us all take a deep breath and appreciate while we still can…

  • Jorge García on December 5, 2021

    Thanks, this video helped me in an exhibition on the internal organs in the matter of science

  • ተክልዬ አባቴ on December 30, 2021

    i like this

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