Question

HOLA❤❤
$define \: thyroxine$
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Answer 1

A harmone secreted by thyroid gland which is responsible for regulation of metabolism .

Hope it helps you.....

Answer 2

Answer:

Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland.

Explanation:

It is the inactive form and most of it is converted to an active form called triiodothyronine by organs such as the liver and kidneys.

Thyroid hormones regulate the body’s metabolic rate, heart and digestive functions, muscle control, brain development and maintenance of bones.