Sport: Headfirst Down a Frozen Track, __ Bobsled

Puzzle 16 of Bedtime Piece of Cake Pack

Question is: Sport: Headfirst Down a Frozen Track, __ Bobsled

and the answer is: SKELETON

Word Meaning:

SKELETON — (anatomy) The system that provides support to an organism, internal and made up of bones and cartilage in vertebrates, external in some other animals.

Definitions from Wiktionary.

Sport: Headfirst Down A Frozen Track, __ Bobsled Bedtime Answers | CodyCross Solutions