This narrated animation depicts movement of oxygen and carbon dioxide between alveloi, the vascular system and target tissues. The roles of PO2 and PCO2 are illustrated, and students can test their knowledge with a 5-question multiple choice quiz after the animation concludes.
Type of Material:
Animation and quiz.
Recommended Uses:
Use in-class or as review after class; may also be useful to test your understanding when preparing for an exam
Technical Requirements:
Any browser with Flash enabled.
Identify Major Learning Goals:
Students will review the roles of PO2 and PCO2 in the movement of oxygen and carbon dioxide throughout the body. Students will be able to explain the movement of oxygen and carbon dioxide into and out of the alveoli, blood and tissues. Students will be able to explain how partial pressures of oxygen and carbon dioxide drive these processes. Students will get a visual (animated) treatment of gas exchange occurs in the lungs.
Target Student Population:
High school or lower-level undergraduate students in biology or A&P courses
Prerequisite Knowledge or Skills:
Students should have a basic understanding of the pulmonary and systemic circulations and respiratory physiology before viewing this animation. Basic Anatomy and Physiology concepts would be useful.
Content Quality
Rating:
Strengths:
Content is accurate.
A good level of detail and rigor is presented.
Clearly demonstrates a concept that many students find confusing and one that is also a core concept in any introductory physiology course.
Provides adequate detail without becoming overwhelming.
This animation provides a simple and easy-to-understand overview of gas movement during internal and external respiration.
Instructions are clear and material presented is accurate.
Concerns:
Many undergraduate students will require a more nuanced understanding of this material.
Cannot be used without a bit of context (i.e. is not entirely self-contained).
his material provides only the most basic overview. It is reasonable for a first introduction to the topic, and may not provide enough information for more advanced students.
Potential Effectiveness as a Teaching Tool
Rating:
Strengths:
The video can be stopped at any point.
The colors are engaging.
The pace is good.
Concepts are introduced, reinforced and integrated as the animation progresses.
The material is efficient and could be used by students to assess their own understanding (via the quiz).
Concepts are explained clearly as they are mentioned in the animation. For example, "partial pressure" is well-defined early in the process.
A short, auto-grading multiple-choice quiz follows the animation to allow students to gauge their own grasp of the concepts covered.
Concerns:
This material is better suited for student review rather than as a stand-alone teaching tool.
Does not identify learning objectives and prerequisite knowledge.
Ease of Use for Both Students and Faculty
Rating:
Strengths:
Audio and text are both available. In addition to watching the animation, students can choose to view the text, listen to the audio description or both.
The video and quiz both work as they should.
It is easy to advance or go back in the video.
Very easy to use; directions are clear and students can pause the animation at any time.
The animation is well-designed, easy to use and visually clear.
Concerns:
Material is copyrighted by McGraw Hill and may not be available for use under certain circumstances.
Creative Commons:
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