Question

The thyroid gland produces the hormone _______ which regulates the rate of _______.
(Points : 1)
insulin; sexual activity

thyroxin; metabolism

epinephrine; digestion

adrenaline; metabolism

testosterone; sexual activity

I'm not sure.

Answer 1

@nikato

Answer 2

@jim_thompson5910

Answer 3

http://en.wikipedia.org/wiki/Thyroid

"It participates in these processes by producing thyroid hormones, the principal ones being triiodothyronine (T3) and thyroxine"

"Thyroxine is critical to the regulation of metabolism"