Answer:
Hearing something unexpected or touching a live wire can have this effect.
Not a comb or a brush but makes the hair feel plush. What is it?
I cannot be felt, seen or touched; Yet I can be found in everybody; My existence is always in debate; Yet there is a style of music named after me.
Come up and we go, Go down and we stay.
Before Mount Everest was discovered, what was the highest mountain on Earth?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?