Question

3 3) Which of the following mineral
desiciency causes swelling of
the thyroid gland?
a. Iodine
b. iron
c. Phosphorus
d. Calcium​

Answer 1

Explanation:

Iodine deficiency is the main cause of goiters. Iodine is essential to helping your thyroid produce thyroid hormones. When you don't have enough iodine, the thyroid works extra hard to make thyroid hormone, causing the gland to grow larger.

so option a is correct I hope it helps you do mark as brainliest

Answer 2

IODINE DEFICIENCY PROMOTES GOITER FORMATION AND SWELLING OF THYROID GLAND

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