38. You turn on the shower and check the water temperature with your hand. Your brain is able to monitor increasingtemperature because the thermosensitive neurons in your skin
(A)gradually adapt to the stimulus.
(B)transmit action potentials to different brain regions.
(C) transmit bigger action potentials to the brain when the water warms up.
(D)transmit action potentials at a greater rate when the water warms up.