Thyroid hormones (T3 and T4) have regulatory roles in all of the following EXCEPT:
A. The hypoxia and hypercapnia drives of the respiratory center in the brainThyroid hormones are responsible for maintaining the normal hypoxic and hypercapnic drive in the respiratory center of the brain, and regulate gastrointestinal motility which leads to diarrhea in hyperthyroidism and constipation in hypothyroidism. They also regulate bone and protein turnover and the speed of muscle contraction and regulation, hepatic gluconeogenesis, cholesterol synthesis, and intestinal glucose absorption.