<prompt> Basic rhythm of respiration is generated in-Pneumotaxic centreDorsal group of nucleusApneustic centrePre-Botzinger Complex  <response>: Ans. is d i.e., Pre-Botzinger Complex Important facts about regulation of respiration Medullary respiratory group of neurons are -i Dorsal respiratory group DRG-Cancerned with inspirationii Ventrol respiratory group VRG-Mainly cancered with faceful expiration, but also shows some activity during inspiration.iii Pre - Botzinger complex:-Responsible for generation of respiratory rhythm. Pontine respiratory centres are -i Pneumotaxic center-.The primary function is to limit inspiration, i.e., to control the switch off point of inspiratory ramp and control of inspiratory depthii Apneustic center-Excites inspiratory cener to prolong inspiration. 