During normal respiration in a mammal, the diaphragm is
Asked In:
BPSC TRE 1.0
Options
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A.
Arched
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B.
Flattened
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C.
Permanently relaxed
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D.
More than one of the above
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E.
None of the above
Correct Answer (Detailed Explanation is Below)
B.
Flattened
Detailed Explanation
During inspiration, the diaphragm contracts and flattens, increasing the volume of the thoracic cavity and facilitating entry of air into the lungs.