Glass bell jar containing two plastic sandwich bags to simulate the action of human lungs. Used in high school biology class.

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Size: 2548px × 3822px
Photo credit: © Menyhert van der Haven / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: bags, bell, biology, breath, breathing, class, education, educative, glass, human, isolated, jar, learning, lesson, lungs, model, plastic, respiration, sandwich, school, science, scientific, simulate, simulation, supplies, teaching