Spinal Column or Resolute Character
Puzzle 18 of Dance Classes Easy Pack
Question is: Spinal Column or Resolute Character
and the answer is: BACKBONE
Word Meaning:
BACKBONE — (countable) The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
Definitions from Wiktionary.