Question

when diaphragm contract, volume of chest cavity is
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Answer 1

Answer:

During inhalation, the diaphragm is contracted which increases the volume of the lung cavity. During exhalation, the diaphragm is relaxed which decreases the volume of the lung cavity. 3) Costal breathing: a mode of breathing that requires contraction of the intercostal muscles.

Answer 2

During inhalation,

the diaphragm is contracted which increases the volume of the lung cavity.

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