Biology · Human Nutrition
What is the key biological function of iodine in the human body?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It regulates the primary osmotic pressure of extracellular fluid.
- 2It is essential for the structural composition of bone matrix.
- 3It acts as a primary neurotransmitter in the central nervous system.
- 4It is required for the synthesis of thyroxine hormone by the thyroid gland.✓
Correct answer
It is required for the synthesis of thyroxine hormone by the thyroid gland.
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