During inspiration,the diaphragm contracts and flattens,which increases the size of the thoracic cavity allowing air to enter the lungs.

Name: During inspiration,the diaphragm contracts and flattens,which increases the size of the thoracic cavity allowing air to enter the lungs.
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During inspiration, the diaphragm contracts and flattens, which increases the volume of the thoracic cavity, resulting in a decrease in pressure within the lungs, allowing air to rush in.

During Inspiration,the Diaphragm Contracts and Flattens,which Increases the Size of the Thoracic