What is thyroxine harmone?

1.	What is thyroxine harmone?
Answer» Thyroid hormones are two hormones produced and released by the thyroid gland, namely triiodothyronine and thyroxine. They are tyrosine-based hormones that are primarily responsible for regulation of metabolism. T₃ and T₄ are partially composed of iodine. Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.

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