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Thyroid Gland Essay

734 words - 3 pages

The thyroid gland is a gland in the endocrine system. It helps to make and store hormones that help regulate one’s heart rate, blood pressure, body temperature, and the rate at which food is converted into energy. The thyroid hormones help every cell to function appropriately in the body. They help to regulate growth and the rate of metabolism in the body (Thompson, 2007). Without thyroid hormones we would not be able to function properly nor would children be able to physically mature and develop. The thyroid gland is located in the lower part of the neck, (in the male below the Adam’s apple), and wraps around the trachea. Its shape looks like a butterfly’s two wings (lobes) attached by a ...view middle of the document...

Iodized salt, seafood, spinach, sesame seeds, and garlic are just some of the foods that will help produce thyroxin (Tree, 2013). By secreting thyroxin the faster the metabolic rate of a person will be. Also, it stimulates all of the cells in the body to help metabolize faster and promote the metabolism of glucose so that more energy is released.
Triiodothyronine, also known as T3, is converted from thyroxin in many tissues by the action of enzymes. The triiodothyronine either enters the nucleus of the cell or is returned to the circulation in the blood. As a result, all of the thyroxin and about 20 percent of the triiodothyronine produced each day come from the thyroid gland ("You & Your Hormones," 2013). The remaining 80 percent of triiodothyronine comes from thyroxin outside of the thyroid, as in the liver and kidneys (Britannica, 2014). “Thyroid hormones play vital roles in regulating the body’s metabolic rate, heart and digestive functions, muscle control, brain development and the maintenance of bones”("You & Your Hormones," 2013.)
The production and release of thyroid hormones, thyroxin and triiodothyronine, is controlled by a feedback system involving the hypothalamus, pituitary gland and thyroid gland. The production of T3 and T4 is regulated by...

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