Skeletal System Crossword Puzzle
Across
- 5. The sea star has an opening on the aboral surface that allows it to bring water into its body
- 6. True or False? Bones are continually being renewed and rebuilt throughout a human's lifespan
- 7. The bony plates of a sea star located under the skin and made of calcium
- 10. A type of bone with dense circles of bone with hollow cylinders that carry nerves and blood vessels
- 12. The type of skeleton that humans have
- 13. Specialized cell that builds new bone
- 14. Bone with honeycombed open spaces
- 15. Skeleton type that includes the arm and leg bones
- 16. Adults have more of this type of bone marrow
- 17. The scientific term for kneecap
- 18. The mineral matrix of bone is made up of calcium and phosphorus, called...
- 21. Collar-bone, part of appendicular skeleton
- 23. The sea star has hundreds of ________that aid in locomotion on the oral surface
Down
- 1. A disease due to Vitamin D deficiency in children that leads to weaker bones
- 2. A disease where bone is broken done faster than it is rebuilt, leads to lower bone mineral density
- 3. A smooth connective tissue that lacks blood vessels and coats the ends of bones
- 4. A key mineral for bone growth
- 8. The end of a long bone where the growth plate is located
- 9. Lower arm bone on the thumb-side
- 11. The hollow center of a long bone where bone marrow is found
- 19. Specialized cell that breaks down old bone
- 20. The type of skeleton that includes the skull, vertebral column, sternum, and ribs
- 22. When someone breaks their hip, they break this bone