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प्रश्न
During the process of exhalation, the ribs move ______.
पर्याय
down and inwards.
up and inwards.
down and outwards
up and outward.
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उत्तर
During the process of exhalation, the ribs move down and inwards.
Explanation:
During exhalation, the diaphragm moves up and ribs move downwards and inwards, decreasing the space in the chest cavity. This increases the air pressure inside the lungs and forces the air out of the lungs.
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