During normal quiet inspiration, the contraction of the __________ causes air to move into the lungs.

Name: During normal quiet inspiration, the contraction of the __________ causes air to move into the lungs.
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Question

Quizplus · Accepted Answer

During normal quiet inspiration, the primary muscle that contracts to allow air to move into the lungs is the diaphragm. This contraction increases the volume of the thoracic cavity, decreasing the pressure inside the lungs relative to atmospheric pressure, and causing air to flow in.

During Normal Quiet Inspiration, the Contraction of the __________ Causes