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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.
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CO2 increases ventilation by acting mainly on receptors of
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The correct answer is  In the medulla, the ventral respiratory group (VRG) consists of four groups of neurons that make up the exhalation (expiratory) area of respiratory control. ... The VRG contains both inspiratory and expiratory neurons. In quiet, restful breathing, the ventral respiratory group of neurons are inactive Ref: guyton and hall textbook of medical physiology 12 edition page number: 370,371,372