Skeletal system
Across
- 3. This bone is in your upper arm
- 5. also known as the knee bone
- 7. these collection of bones makes up your spine
- 9. the first of the two leg bones
Down
- 1. this bone runs across your neck from shoulder to shoulder
- 2. this is a bone in your lower arm
- 4. This bone protects your brain
- 6. the second of the two leg bones
- 8. These bones protect the heart and lungs
- 9. This is the largest bone in your body