Some touch receptors sense differences in temperature or pain.
Merkel's discs are touch receptors.
Merkel's discs sense differences in temperature or pain.
What sense differences in temperature or pain?

A. Veins and arteries.
B. the skin
C. Merkel's discs
D. movie discs
E. frontal zones
F. cd discs
G. sensory neurons
H. sound discs