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The role of carotid bodies in the generation of active inspiratory and expiratory responses to exercise in rats

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What is the central question of this study? What is the carotid bodies’ contribution to active inspiratory and expiratory response to exercise? What is the main finding and its importance?… Click to show full abstract

What is the central question of this study? What is the carotid bodies’ contribution to active inspiratory and expiratory response to exercise? What is the main finding and its importance? Removal of the carotid bodies reduced the active inspiratory and expiratory responses of diaphragm and abdominal internal oblique muscles, respectively, to high‐intensity, but not to low‐intensity, exercise in rats. Removal of the carotid bodies increased PaCO2 and decreased arterial pH in response to high‐intensity exercise. The carotid bodies contribute to the inspiratory and expiratory adjustments to high‐intensity exercise in rats.

Keywords: exercise rats; active inspiratory; carotid bodies; inspiratory expiratory

Journal Title: Experimental Physiology
Year Published: 2020

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