Zoology - Chemical Coordination and Integration Question with Solution | TestHub

Goitre is a swelling of the neck due to enlargement of the thyroid gland. This may be due to lack of dietary iodine, which occurs due to decreases thyroid function, which is necessary for the production of thyroxine hormone. This was the cause of endemic goitre, formerly common in regions, where the people lacked in their diet iodine.