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Thyroxine is...

Thyroxine is

A

An enzyme

B

A hormone

C

A vitamin

D

An excretory product

Text Solution

Verified by Experts

The correct Answer is:
B

Thyroxin of `T_4` (Tetraidothyronine) secretion is increased by thyrotrophin releasing hormone which stimulate the release of thyroid stimulating hormone in response to low thyroid levels, low metabolic rate, cold pregnancy and high altitude. It increases basal metabolic rate, maintaining normal body temperature
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