... model of carbonic acid-bicarbonate equilibrium using the Henderson-Hasselbalch (H-H) equation of a weak acid. We then used real-world clinical case studies for students to identify acid-base disorders and the appropriate compensatory responses of the lungs and kidneys. Students developed a working...

...Kwok-chi Lau This article describes an easily made physical lung model for teaching about lung ventilation. It has rectified some major shortcomings of the bell-jar balloon model by having a fluid-filled “pleural cavity,” a dome-shaped “diaphragm,” and an inflated “lung” at rest. The model can...

... textbook knowledge of the laws of gas exchange and use the game board and pieces to see concrete examples of how gases move in the human body. The following instructions are provided to students. To exchange respiratory gases between the lungs and blood, and between the blood and body cells...