Fill up the blanks in the following paragraph by selecting the correct option.
The movement of air into and out of the lungs is carried out by creating a  (i) between the lungs and the atmosphere. Inspiration can occur if intra-pulmonary pressure is (ii)  than the atmospheric pressure. Expiration takes place when the intra-pulmonary pressure is (iii) than the atmospheric pressure. Inspiration is initiated by  (iv) the of diaphragm which  (v)   the volume of thoracic chamber in the antero-posterior axis.