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Akila Nallabelli; Heidi L. Lujan; Stephen E. DiCarlo – Advances in Physiology Education, 2024
The movement of air into and out of the lungs is facilitated by changes in pressure within the thoracic cavity relative to atmospheric pressure, as well as the resistance encountered by airways. In this process, the movement of air into and out of the lungs is driven by pressure gradients established by changes in lung volume and intra-alveolar…
Descriptors: Physics, Motion, Misconceptions, Scientific Concepts
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Washburn, Shannon E.; Stewart, Randolph H. – Advances in Physiology Education, 2020
Blood flow through the cardiovascular system is governed by the same physical rules that govern the flow of water through domestic plumbing. Using this analogy in a teaching laboratory, a model of the cardiovascular system constructed of pumps and pipes was used to demonstrate the basic interactions of pressure, flow, and resistance in a regulated…
Descriptors: Plumbing, Science Laboratories, Active Learning, Veterinary Medical Education