They take iodine,found in many foods and convert it into thyroid hormones: thyroxine(T4) and triiodothyronine(T3). The function of the thyroid gland is to take iodine, found in many foods, and convert it into thyroid hormones: thyroxine (T4) and triiodothyronine (T3).Thyroid cells are the only cells in the body which can absorb iodine.
The role of the thyroid gland is to make, store and release thyroid hormones. These hormones have a large impact on your health as they are involved in many important cell functions. This includes everything from growth of the body and brain, to the release of other important hormones, and even how energized you feel. The main function of the thyroid hormone is to regulate the metabolism of your cells-that is, the chemical changes in your cells that cause them to live, grow, and die. You can think of your metabolism a little bit like your utility bill. The thyroid (THY-royd) gland, a small butterfly-shaped gland in the front of your neck, makes thyroid hormones. Thyroid hormones travel from the thyroid gland through the blood to all parts of the body, where they do their work. Sometimes the thyroid gland makes too much thyroid hormone, which is called hyperthyroidism. Think of your body as a car and your thyroid as the engine. An overactive thyroid makes your body idle too fast. It participates in these processes by producing thyroid hormones, the principal ones being thyroxine (T 4) and triiodothyronine (T 3), which is more active. These hormones regulate the growth and rate of function of many other systems in the body. T 3 and T 4 are synthesized from iodine and tyrosine. The thyroid gland is a butterfly-shaped organ and is composed of two cone-like lobes or wings, lobus dexter (right lobe) and lobus sinister (left lobe), connected via the isthmus. Each lobe is about 5 cm long, 3 cm wide and 2 cm thick. Your thyroid gland is a small gland, normally weighing less than one ounce, located in the front of the neck. It is made up of two halves, called lobes, that lie along the windpipe (trachea) and are joined together by a narrow band of thyroid tissue, known as the isthmus. Every cell in the body depends upon thyroid hormones for regulation of their metabolism. The normal thyroid gland produces about 80% T4 and about 20% T3, however, T3 possesses about four times the hormone strength as T4. The function of the thyroid gland is to take iodine, found in many foods, and convert it into thyroid hormones: thyroxine (T4) and triiodothyronine (T3). Thyroid cells are the only cells in the body which can absorb iodine. These cells combine iodine and the amino acid tyrosine to make T3 and T4. Every cell in the body depends upon thyroid hormones for regulation of their metabolism. The normal thyroid gland produces about 80% T4 and about 20% T3, however, T3 possesses about four times the hormone strength as T4. The thyroid gland covers the windpipe from three sides. Two hormones of the thyroid gland, T3 (thyroxine) and T4 (triiodothyronine), help the body to produce and regulate the hormones adrenaline (also called epinephrine) and dopamine. Hormones are chemical substances that help control certain cells and organs.  24. Thyroid function tests are blood tests which help to check the function of the thyroid gland. They are mainly used to detect hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid). Note: the information below is a general guide only. Thyroid function tests are blood tests that check the levels of the hormones (chemicals) made by the thyroid gland. Some thyroid function tests also check the level of a hormone made by the pituitary gland in the brain, which acts on Your thyroid gland is essential for living. The function of the thyroid gland is to take iodine, found in many foods, and convert it into thyroid hormones: thyroxine (T4) and triiodothyronine (T3). Thyroid cells are the only cells in the body which can absorb iodine. TSH, a thyroid-stimulating hormone, is produced by the pituitary that stimulates the thyroid gland. These hormones are essential for life and have many effects on body metabolism, growth and development. For example, thyroid hormones make the heart beat faster and cause the body to burn up calories more quickly
https://www.sharecare.com/health/thyroid-gland/function-of-thyroid-gland http://www.hormone.org/hormones-and-health/what-do-hormones-do/what-does-the-thyroid-gland-do https://en.wikipedia.org/wiki/Thyroid http://www.endocrineweb.com/conditions/thyroid/how-your-thyroid-works http://www.endocrineweb.com/conditions/thyroid/how-your-thyroid-works http://www.healthline.com/human-body-maps/thyroid-gland http://patient.info/health/thyroid-function-tests-leaflet https://answers.yahoo.com/question/index?qid=20070603052523AAIKL07
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