Goitre is caused by the deficiency of ______ A)Zinc B)Calcium C)Iodine D)Chlorine
Option C) Goitre is a swelling of the neck or larynx resulting from enlargement of the thyroid gland, associated with a thyroid gland that is not functioning properly. Worldwide, over 90% cases of goitre are caused by iodine deficiency. Prevention includes adding small amounts of iodine to table salt, a product known as iodized salt.