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Which hormone plays a significant role in controlling the rate of metabolism?

A. Insulin
B. Adrenaline
C. Thyroxine
D. Estrogen


Sagot :

Final answer:

Thyroxine is the key hormone in controlling metabolism.


Explanation:

Thyroxine plays a significant role in controlling the rate of metabolism. It is a key regulator of the basal metabolic rate (BMR), with higher levels leading to increased metabolic activity. Additionally, adrenaline also contributes to increasing BMR to a lesser extent.


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