Thyroxine, the hormone of the thyroid gland, primarily controls the
- A. concentration of glucose in the blood
- B. rate of metabolism and heat production of the body
- C. amount of calcium in the bones
- D. volume of urine produced
Explanation
Thyroxine sets the basal metabolic rate of nearly every cell, which is why an overactive thyroid causes weight loss and heat intolerance. Blood glucose is governed by insulin and glucagon, and urine volume by ADH.
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