Skeletal system
Across
- 3. the thighbone, longest bone in the body
- 4. the lower jaw bone
- 7. organ where food s broken down by acid
- 8. bones in your bones and fingers
Down
- 1. upper arm bone that connects shoulder to elbow
- 2. shoulder blade that helps move your arm
- 5. the tailbone of the spine
- 6. the backbone that protects the spinal cord