Which of the following is an INCORRECT statement regarding thermoreceptors?
A) Thermoreceptors respond to heat and cold.
B) Blood-sucking arthropods use thermoreception to find endothermic hosts.
C) Pit vipers and some pythons and boas use thermoreceptors to locate prey.
D) In mammals, free nerve endings in the skin and tongue detect temperature changes in the outside environment.
E) In mammals, thermoreceptors in the thyroid gland detect internal changes in temperature.