Skeletal System

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Across
  1. 3. a rounded knob; usually fits into a fossa on another bone to form a joint.
  2. 5. a round opening; usually a passageway for blood vessels and nerves.
  3. 8. a cavity within a bone.
  4. 9. a moderately raised ridge
Down
  1. 1. a large process found only on the femur
  2. 2. the prominent, expanded end of a bone
  3. 3. a tunnel through a bone
  4. 4. a projection or raised area.
  5. 5. a flat surface
  6. 6. a tube-like opening
  7. 7. a rough, raised bump, usually for muscle attachment.