Assertion: iodide's iodine | /r/HasProperty | part of thyroxin
Facets:
Source sentences:
text: Iodine is part of thyroxin, a hormone produced by the thyroid gland that controls the body's rate of physical and mental development.
text: When the body produces too much thyroxine, a thyroid hormone, it uses up the body’s iodine (which is part of the thyroxine) leading to a deficiency.