Except for inspiration inhibition reflex, lung inflation might have another effect on respiratory center var vagus. It is mainly represented by the change of respiratory period.

Abdominal surgery on more of an adverse respiratory effects of the main factors are: to stimulate the diaphragm, the incision pain, reflex nerve stimulation, such as pulmonary hypertension.

RP is involved in the regulation of the pulmonary dilation reflex, which plays an important role in regulation of respiratory rhythm.