During resting exhalation in humans, the diaphragm ____ and the internal intercostal muscles ____.

Question

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During resting exhalation in humans, the diaphragm relaxes, moving upward to increase pressure in the thoracic cavity and push air out of the lungs, while the internal intercostal muscles also relax, as they are not actively involved in resting exhalation. Active involvement of the internal intercostal muscles typically occurs during forced exhalation, not during the passive process of resting exhalation.

During Resting Exhalation in Humans, the Diaphragm ____ and the Internal