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MERLOT II


    

Peer Review


Gas Exchange During Respiration

by Peter Raven
 

Ratings

Overall Rating:

4.5 stars
Content Quality: 4.75 stars
Effectiveness: 4 stars
Ease of Use: 5 stars
Reviewed: Dec 24, 2013 by Biology Editorial Board
Overview: This animation describes the process of gas exchange in both external and internal respiration. The animation is part of the online media accompaniment to the McGraw Hill textbook. A set of multiple-choice quiz accompanies the animation to assess learner’s comprehension.
Learning Goals: After reviewing this animation, the learner should be able to:
  • discuss the gas transfers that occur during respiration.
  • describe differences in partial pressures of oxygen and carbon dioxide in the lungs, blood and body tissues.
  • explain how the partial pressure differences drive the gas exchange during external and internal respiration.
Target Student Population: Advanced high school Biology and lower division undergraduate Biology
Prerequisite Knowledge or Skills: Basic knowledge of cells and body systems, anatomy of the respiratory system, and familiarity with human circulatory system
Type of Material: Animation and quiz
Recommended Uses: In class lecture supplement. Self study resource
Technical Requirements: Flash player

Evaluation and Observation

Content Quality

Rating: 4.75 stars
Strengths:
  • High quality content
  • Animation demonstrates each step of the process.
  • Animation and accompanying narration is an excellent resource for both auditory and visual learners.
  • Follow up quiz reinforces the learned concept.
Concerns:
  • There was little movement and it is more of a voice over still images.

Potential Effectiveness as a Teaching Tool

Rating: 4 stars
Strengths:
  • Excellent learning resource: the animation deconstructs each step of the process.
  • Short and simple
  • Addition of quiz directly below the animation increases its effectiveness
Concerns:
  • Does not summarize the concept.
  • Since this video clip is an accompaniment to a textbook, potential users may be restricted from using it if they are not adopting the textbook.

Ease of Use for Both Students and Faculty

Rating: 5 stars
Strengths:
  • Straight forward player
  • Easy to navigate
  • Visually appealing
  • Works with standard online browsers
Concerns:
  • None

Other Issues and Comments: Part of a wide selection of animations that are used with a number of textbooks by this publisher.