Which mineral is essential for thyroid gland to produce thyroxin hormone in humans?
A.Manganese
B.Iodine✓ Correct
C.Iron
D.Calcium
Explanation
Iodine is essential for the thyroid gland to synthesize thyroid hormones, primarily thyroxine (T4) and triiodothyronine (T3), which regulate metabolism and growth.
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