When youâre comparing it to something else, itâs better. When you say that it is better than anything else, itâs the best. If you understand this, you already know what a comparative and a superlative are. Words that compare one thing to another (e.g., better, older) are called comparatives.
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.he function of the thyroid gland is to take iodine, found in many foods, and convert it into thyroid hormones: thyroxine (T4) and triiodothyronine (T3).
How the Thyroid Gland Works. The thyroid is part of the endocrine system, which is made up of glands that produce, store, and release hormones into the bloodstream so the hormones can reach the body's cells.The thyroid gland uses iodine from the foods you eat to make two main hormones: 1  Triiodothyronine (T3). 2  Thyroxine (T4).ow the Thyroid Gland Works. The thyroid is part of the endocrine system, which is made up of glands that produce, store, and release hormones into the bloodstream so the hormones can reach the body's cells.