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QUESTION
. Which muscle contraction increases the volume of thoracic chamber in anterio posterior axis? 1) External intercostals muscles 2) Internal intercostals muscles 3) Inner most intercostals muscles 4) D
. Which muscle contraction increases the volume of thoracic chamber in anterio posterior axis? 1) External intercostals muscles 2) Internal intercostals muscles 3) Inner most intercostals muscles 4) Diaphragm
