thenusuperstar8366 thenusuperstar8366 07-03-2024 Biology contestada Which of the following plays a vital role in the activities of the thyroid hormones? 1) Thyroid-stimulating hormone (TSH) 2) Thyroxine (T4) 3) Triiodothyronine (T3) 4) Thyroid peroxidase (TPO)