The Skeletal System
Across
- 4. bones The bones that produce red blood cells
- 6. Shaft of the bone
- 7. Top section of the spine
- 8. Kneecap
Down
- 1. Bone at the top of the arm
- 2. Number of ribs
- 3. The process of the bones hardening in the womb
- 5. Fingers and toes