The Skeletal System

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