Answer:
Of these everyone has ten, part of two wholes at the arms end. What are they?
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
A sphere has three, a circle has two, and a point has zero. What is it?
Mostly worn by women or girls, this is sometimes shiny like silver or gold, and sometimes it is made of pearls.
You have it even if there is none.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.