The Skeletal System
Across
- 1. The skeletal system and muscular system work in conjunction to allow our body to
- 3. Ligaments attach bone to
- 5. 126 bones of the appendages and the girdles
- 6. Bones are able to absorb or release calcium into the blood to maintain a stable environment in the body
- 8. External skeletal systems made up of chitin and calcium carbonate
- 11. Holds the skeleton together and supports movement
- 12. 80 bones along the axis of the body, which protect the internal organs
- 14. tough, fibrous membrane that covers and protects the outer surface of bone
- 15. side to side curve in the spine, becomes evident during adolescence
Down
- 1. Female skeletons are not as
- 2. Attach muscle to bone
- 4. Internal skeleton of an animal
- 7. softening of bones associated with vit. D deficiency
- 9. bone found inside bones and is lighter and less dense than compact bone because it is porous
- 10. Compact bone makes up the dense ________ of bone
- 13. Bone marrow soft connective tissue that produces blood cells, found ______ the pores of spongy bone