Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

By the end of this section, you will be able to:Describe the passage of air from the outside environment to the lungsExplain how the lungs are protected from particulate matter

This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Tracheal intubation can be life-saving, but the procedure’s outcome largely depends on where it’s performed. Intubations carried out under elective conditions in the operating room tend to produce better results than those executed under emergency conditions in the intensive care unit. But it’s not clear what factors lead to these differences. To shed light on the issue, researchers from the Clinical University Hospital of Santiago, Spain, conducted a prospective, observational study comparing intubation conditions between the OR and ICU. The results help uncover the circumstances important to success. The study, which took place over 33 months, evaluated 208 patients who underwent two separate instances of tracheal intubation using direct laryngoscopy. The first procedure occurred in the OR and the second in the ICU. For inclusion, both intubations had to be performed within a 1-month period..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

By the end of this section, you will be able to:Describe the passage of air from the outside environment to the lungsExplain how the lungs are protected from particulate matter

Welcome to the first video in our Respiratory System series for Anatomy and Physiology. This video covers the following:
-Functions of the Respiratory System
-Organs that make up the Respiratory System
-What are the upper respiratory tract and lower respiratory tract

Lesson 1 in our Respiratory System series. This is part of our Anatomy and Physiology lecture series.

If this video helps you please be sure to LST -like subscribe and tell your friends. Your support helps us make more videos. For the complete series please visit http://mrfordsclass.net/

Other Free Videos in the Respiratory System series:
-Introduction Respiratory System (16:01): http://youtu.be/Q3v9-EYY19k
-Upper Respiratory Tract (16:02): http://youtu.be/JZotShHbzrw
-Lower Respiratory Tract and Larynx (16:03): http://youtu.be/o3AzfM_4SLs
-Trachea and Bronchi (16:04): http://youtu.be/7WyPKoA0jb4

The previous video we looked at the upper respiratory tract. This starts to look at the lower respiratory tract, specifically the larynx.

Topics covered in this video:
-The organs that make up the Lower Respiratory Tract
-The Larynx
-Parts of the Larynx
-The Epiglottis
-Cricoid Cartilage

Lesson 3 in our Respiratory System series. This is part of our Anatomy and Physiology lecture series.

If this video helps you please be sure to LST -like subscribe and tell your friends. Your support helps us make more videos. For the complete series please visit http://mrfordsclass.net/

Other Free Videos in the Respiratory System series:
-Introduction Respiratory System (16:01): http://youtu.be/Q3v9-EYY19k
-Upper Respiratory Tract (16:02): http://youtu.be/JZotShHbzrw
-Lower Respiratory Tract and Larynx (16:03): http://youtu.be/o3AzfM_4SLs
-Trachea and Bronchi (16:04): http://youtu.be/7WyPKoA0jb4

This video continues our look at the Respiratory System, with the trachea and the bronchi.

Lesson 4 in our Respiratory System series. This is part of our Anatomy and Physiology lecture series.

If this video helps you please be sure to LST -like subscribe and tell your friends. Your support helps us make more videos. For the complete series please visit http://mrfordsclass.net/

Other Free Videos in the Respiratory System series:
-Introduction Respiratory System (16:01): http://youtu.be/Q3v9-EYY19k
-Upper Respiratory Tract (16:02): http://youtu.be/JZotShHbzrw
-Lower Respiratory Tract and Larynx (16:03): http://youtu.be/o3AzfM_4SLs
-Trachea and Bronchi (16:04): http://youtu.be/7WyPKoA0jb4

The trachea is the tube linking the cricoid cartilage of the larynx to the bronchi, forming part of the conducting system which transports air from the external environment to the lungs. The oesophagus lies dorsally to the trachea. The cervical part of the trachea lies generally in the median position, although this varies slightly depending on the position of the head. The thoracic part of the trachea crosses the aortic arch, thus its positioning is moved slightly to the right at this level. The trachea bifurcates to form the two bronchi at the level of the 4th-6th intercostal space.