Solve these clues to fill the grid.
- Rigid connective tissue that makes up the skeleton of vertebrates
- 4 Across
- The bony skeleton of the head of vertebrates
- 5 Across
- Any skeletal muscle having three origins
- 6 Across
- Composition for a solo instrument and not a regular part of a religious service or musical
- 9 Across
- Young of domestic cattle
- 10 Across
- Controlled by the autonomic nervous system
- 13 Across
- Physical activity that keeps you fit
- 14 Across
- Any skeletal muscle having two origins
- 15 Across
- A bully employed as a thug or bodyguard
- 16 Across
- Any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum (plural)
- 1 Down
- Of or relating to or forming or attached to a ___
- 2 Down
- The point of connection between two bones or elements of a skeleton
- 3 Down
- A white metallic element that burns with a brilliant light
- 7 Down
- A muscle of the thigh that extends the leg
- 8 Down
- The arrangement of the body and its limbs
- 11 Down
- Exercise designed to extend the limbs and muscles to their full extent
- 12 Down