Answer:
What has a neck and no head, two arms but no hands?
Long and think, red within, with a nail at the end.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
What is the thing that stays the same size, but the more it's used the more it decreases?
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
Special abilities and brightly colored underwear are all you need to be one of these.