Physiology The components of the respiratory control pattern generator is responsible for automatic respiration. Pacemaker regulating the rate of respiration is: A Pneumotaxic centre B Dorsal group of nucleus C Apneustic centre D Pre-Botzinger Complex 💡 Explanation The components of the respiratory control pattern generator is responsible for automatic respiration. Pacemaker regulating the rate of respiration is: ✓ Correct Answer: D. Pre-Botzinger Complex