You are presented with the quiz "what increases the rate of metabolism in cells?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "thyroid hormones increase the rate of metabolism in cells throughout the body" and "graves disease is a thyroid gland that overproduces thyroid hormone". So, what's the best answer to the question?
Choose from:
[i] heat energy
[ii] heating liquids
[iii] Smoking
[iv] adding heat
[v] cigarettes
[vi] smoking cigarettes
[vii] Graves disease
[viii] Dehydration
[vii]