The contraction of .......muscles lifts up the ribs and the sternum ca – InterviewSolution

InterviewSolution

1.	The contraction of .......muscles lifts up the ribs and the sternum causing an increase in the volume of the thoracic chamber in the dorso-ventral axis.A. External intercostal musclesB. Internal intercostal musclesC. DiaphragmD. Both A and B
Answer» Correct Answer - A The contraction of external intercostal muscles lifts up the ribs and the sternum causing an increase in the volume of the thoracic chamber in the dorso-ventral axis.

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