The malfunctioning of the thyroid gland is due to the deficiency of __________.
Answer
Correct Answer : c ) Iodine
Explanation :Iodine is a mineral that is found in various foods and iodized salt. It is an important component of the thyroid hormones thyroxine (T4) and triiodothyronine (T3) which regulate many important biochemical reactions in the human body. Therefore, the deficiency of Iodine causes malfunctioning of the thyroid gland.
Sources of Iodine are Dairy products, eggs, seafood, human breast milk, etc.
Deficiency of Calcium causes Hypocalcemia which may lead to dental changes, cataracts, alterations in the brain, osteoporosis, etc.
Deficiency of Iron causes Anemia.
Deficiency of Vitamin A leads to night blindness.
Hence, option (c) is correct.
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Shell
Noun: A hard rigid usually large covering of an animal.; The outside part of a fruit or seed.; Something like an external structure that resembles a shell.; A casing without substance.; The hard exterior of an egg.; A hard enclosing cover.
Verb: To take out of the shell.; To fall out of the shell.; To cast the external covering.; To gather shells from a beach.
"My mother collected shells at the beach."
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