skeletal system
Across
- 2. this protects the lungs and the heart
- 3. white bone marrow forms ____ blood cells
- 5. this general group of bones supports your entire body weight
- 8. this bone supports the teeth
- 9. the bones _____ minerals
- 10. red bone marrow forms ____ blood cells
Down
- 1. the bones also hold these
- 4. this protects the spinal cord
- 6. the _______ allows you to flex your arm
- 7. the _______ allows you to flex your ankle