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What occurs when someone exhales?
The rib cage contracts, but the diaphragm relaxes.
Both the rib cage and the diaphragm relax.
Both the rib cage and the diaphragm contract.
The rib cage relaxes, but the diaphragm contracts.
1 answer
The rib cage relaxes, but the diaphragm contracts. During exhalation, the diaphragm moves back up to its resting position and the rib muscles relax, decreasing the volume of the chest cavity and forcing air out of the lungs.
1 answer