SKELETAL

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Across
  1. 2. blood cell formation
  2. 4. a metallic chemical element of the alkaline-earth group that occurs naturally only in combination and is essential to cellular functions in all known organisms
  3. 7. The bones of the skull ______ the brain.
  4. 8. The _________ is a tough membrane that covers and protects the outside of the bone.
  5. 9. This smooth and flexible substance covers the tips of your bones where they meet.
  6. 10. The bones of the ________ Protect the brain.
Down
  1. 1. Bones serve as _______ for minerals.
  2. 3. The bones of the legs, pelvic girdle, and vertebral column ________ the weight of the erect body.
  3. 5. A solid inorganic substance of natural occurrence.
  4. 6. Skeletal muscles use the bones as levers to have body _______.