Skeletal System

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Across
  1. 2. Cavity or empty space in a bone
  2. 5. Lower back of the head
  3. 7. Irregular smooth surface on a bone that articulates with another bone
  4. 8. Upper arm bone
  5. 10. Thigh bone
Down
  1. 1. Dense bone on outer layer of long bone
  2. 3. Inner layer of long bone, trabeculated with marrow
  3. 4. Lower jaw bone
  4. 6. Medial lower arm bone
  5. 9. Lateral lower arm bone