Physiology Following is/are physiological effects of thyroid hormones on the hea: A Increased number of beta adrenergic receptors B Blunted response to circulating catecholamines C Increased propoion of beta myosin heavy chain D All of the above π‘ Explanation Following is/are physiological effects of thyroid hormones on the hea: β Correct Answer: A. Increased number of beta adrenergic receptors