Across
- 4. soft connective tissue that produces blood cells, found inside the pores of spongy bone (2 words)
- 5. attach bones to bones
- 7. External skeletal systems made up of chitin and calcium carbonate that provides protection to creatures
- 9. The interior of the bone can store minerals (calcium, phosphorus)and chemical energy (fatty acids)
- 11. attach bones to muscles
- 13. makes up the dense outer layer of bone (2 words)
- 14. ____ are born with 300 bones
- 16. side to side curve in the spine, becomes evident during adolescence
- 17. Holds the skeleton together and supports movement
Down
- 1. Appendicular – 126 bones of the appendages (____)and the girdles (shoulder and pelvic) that connect them with the axial skeleton and provide support and flexibility (3 words)
- 2. _____ of Blood cells – Red bone marrow inside some larger bones produces blood cells as well as many other types of cells
- 3. The skeleton works with the muscular system to allow for movement
- 6. The primary function is to form a solid ____ of bones and connective tissues to support the body
- 8. Supports the softer tissues, provides points of attachment for most skeletal muscles, and provides protection for many of the body’s internal organs (3 words)
- 10. Internal skeleton of an animal
- 12. Bones are able to absorb or release calcium into the blood to maintain a stable environment in the body
- 15. 80 bones along the axis of the body, which protect the internal organs
