Animal skeletal system

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Across
  1. 3. marrow, inside cavities of spongy bone formation of red blood cells
  2. 9. internal skeleton
  3. 11. tissue that connects from bone to bone
  4. 12. firm flexible tissues that are not as hard as bone
Down
  1. 1. where bones meet and allows for movement
  2. 2. marrow, fat and energy storage
  3. 4. hard tissue that supports and protects other organs
  4. 5. tissue that connects from bone to muscle
  5. 6. outer most layer cushions the hard portion of the bone repair of broken bones
  6. 7. bone, fills ends of bones and lines hollow portions
  7. 8. bone, layer of hard mineral matter calcium gives bones strength
  8. 10. external skeleton