This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Pacemaker regulating the rate of respiration ? \nSelect and explain. \nA. Pneumotaxic centre, B. Dorsal group of nucleus, C. Apneustic centre, D. Pre-Botzinger Complex', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., Pre-Botzinger Complex "The main components of the respiratory control pattern generator responsible for automatic respiration are located in the medulla. Rhythmic respiration is initiated by a small group of synaptically coupled pacemaker cells in the pre-Botzinger complex on either side of the medulla between the nucleus ambiguus and the lateral reticular nucleus".', 'role': 'assistant'}]