43. Endocrine System
Endocrine System
Multiple Choice
Multiple ChoiceWhich is a correct statement about the thyroid gland?
A
It produces steroid hormones.
B
Fluorine is essential to proper thyroid function.
C
Goiter is caused by hyperthyroidism.
D
Thyroxine and triiodothyronine, two of the thyroid hormones, are steroid hormones.
E
Thyroid hormones trigger the change of an aquatic tadpole into a terrestrial bullfrog.
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