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Pulmonary Anatomy Video

ACLS Certification Association videos have been peer-reviewed for medical accuracy by the ACA medical review board.

Video at a Glance

  • The conducting airways are the airways that move the air from the outside and into the lungs. These airways are not involved in the exchange of gasses.
  • The exchange airways are the places where O2 and CO2 are exchanged.
  • The respiratory tree has 17-23 branches.
  • The conducting airways provide an excellent barrier that provides defense from bacteria and viruses.
  • There are three lobes on the right lung and two on the left, and they are divided by fissures.
  • The cells lining the airway change from level to level, and all of the cells of the airways are explained in detail.
  • In healthy lungs, there is a layer of mucus.

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ACLS Certification Association (ACA) uses only high-quality medical resources and peer-reviewed studies to support the facts within our articles. Explore our editorial process to learn how our content reflects clinical accuracy and the latest best practices in medicine. As an ACA Authorized Training Center, all content is reviewed for medical accuracy by the ACA Medical Review Board.

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