The contraction of the diaphragm increases the volume of the thoracic cavity in which axis?

The normal shape of the diaphragm is

In rabbits,inspiration occurs by the contraction of:

Select the incorrect option for the given diagram (representing inspiration).

Select the correct option for the given figure (assuming the figure shows expiration).

Arrange the given steps by which the lungs show inspiration,in the sequence of events occurring first:
$I.$ Increase in the volume of the thoracic chamber in the dorsoventral axis
$II.$ Upward and outward movement of the ribs
$III.$ Contraction of intercostal muscles
$IV.$ Entry of air inside the lungs
$V.$ Contraction of the diaphragm
$VI.$ Increase in the volume of the thoracic chamber in the anteroposterior axis
Choose the correct option.