system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Pacemaker regulating the rate of respiration:
assistant
The correct answer is  Pacemaker of respiration is Pre-Botzinger complex of neurons, which is a part of Ventral Respiratory Group(VRG) in medulla.