Fact 1: Nerves can be used to feel heat and pressure on the skin.

Fact 2: The nerves transmit information electrically.

Given the two facts above, answer the question "How is the sensation of feeling heat and pressure on the skin transmitted?" with the following options: 
- energy
 - unidirectional
 - direct energy
 - rays or beams
 - movement
 - chemical reaction
 - nervous system
 - electrically


 

        electrically 