The chemical factors regulating respiration are A PO2 B H+ concentration C PCO2 D HCO3- concentration E 2 F 3-diphosphoglycerate The chemical factors regulating respiration are Correct Answer PO2, H+ concentration, PCO2 Bissoy MCQ Team Aug 26, 2023 Non-Residency Physiology Respiratory physiology Regulation of respiration/ respiratory center/defect