Across
- 1. over ____ of your bones are in your hands and feet
- 4. appendicular skeleton includes ____ and shoulders
- 5. circulatory system moves glucose and ____ to bones
- 9. main function of skeletal system
- 10. an abnormality with the spinal curve
- 11. every seven years we form "____ ____"
- 12. produced through bone marrow
- 13. name for compact bone
- 16. muscles are attached to bones by ____
- 17. name for spongy bone
- 19. cancer in white blood cells
Down
- 2. body's long axis
- 3. a disease in which bones become fragile and prone to fracture
- 5. protects ____ from injury
- 6. smallest bone
- 7. number of bones in human body
- 8. muscular and skeletal systems are often referred to as the ____ system
- 14. longest bone
- 15. only ____ percent of animals have a skeletal system
- 18. bones provide ____ to the nervous system, which is vital for its function