An Improved Physical Lung Model for Teaching Lung Ventilation | Zendy

Kwok–chi Lau | Zendy

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An Improved Physical Lung Model for Teaching Lung Ventilation

Author(s) -

Kwok–chi Lau

Publication year - 2020

Publication title -

the american biology teacher

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.277

H-Index - 30

eISSN - 1938-4211

pISSN - 0002-7685

DOI - 10.1525/abt.2020.82.6.413

Subject(s) - lung , diaphragm (acoustics) , pneumothorax , ventilation (architecture) , medicine , balloon , pleural cavity , lung ventilation , rest (music) , engineering , surgery , mechanical engineering , electrical engineering , loudspeaker

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 be used to tackle some misconceptions about ventilation as well as to learn some difficult concepts such as the negative pleural pressure and pneumothorax.

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