Regarding Inspiration - choose the incorrect statement :

Question

( a ) The overall increase in the thoracic volume causes a similar increase in pulmonary volume.
( b ) Inspiration is initiated by the contraction of diaphragm
( c ) Contraction of diaphragm which increases the volume of thoracic chamber in the antero-posterior axis
( d ) The contraction of internal inter-costal muscles lifts up the ribs and the sternum causing an increase in the volume of the thoracic chamber in the dorso-ventral axis