Video - Thyroid hormones
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Video Summary
Thyroid hormones are hormones produced by the thyroid gland, which is located in the neck. The two thyroid hormones are thyroxine (T4) and triiodothyronine (T3); with T3 having the more active role in metabolic activities. Both thyroxine (T4) and triiodothyronine (T3) are produced and secreted by the thyroid gland in response to the thyroid-stimulating hormone which is secreted by the anterior pituitary lobe.
Thyroid hormones play a vital role in regulating metabolism and controlling the rate at which the body burns calories and uses energy. They also help to regulate body temperature, heart rate, and blood pressure, as well as growth and development in children.
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