Science, asked by mrudula618, 9 months ago

volume of thoracic chamber increases in the vertical Axis due to 1.contraction of external inter coastal muscles 2.relaxation of external inter coastal muscles relaxation of diohragm contraction of diaphragm ​

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Answered by Anonymous
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Volume of thoracic chamber increases in anteroposterior and dorso-ventral axis in human by contraction of diaphragm and external intercostal muscles.

December 27, 2019

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