Thyroid hormones increase the rate of metabolism in cells throughout the body.
Cell metabolism is a heat production.
Thyroid hormones increase the rate of heat production in cells.
Thyroid hormones increase the rate of what in cells?
(A) kinetic energy
(B) heat production
(C) heat sources
(D) Chemical energy
(E) heat energy
(F) heat improvement
(G) energy usage
(H) heat molecules