Nerves can be used to feel heat and pressure on the skin, and sensory neurons run anteriorly from the nerve ring to the sensory organs in the head. Given these facts, what can be used to feel heat and pressure on the skin among the following options:
- stem cells
 - joules
 - hormones
 - electricity
 - chemical messengers
 - Electrical energy
 - oxygen
 - sensory neurons


 

        sensory neurons 