skeletal system

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Across
  1. 2. initiate bone formation
  2. 3. plasma
  3. 5. consists of numerous repeating lamellar units
  4. 7. mobilizes calcium from bone to increase plasma calcium
  5. 10. two heads and a shaft and consists of compact and spngy bone types
  6. 12. found in parathyroid gland
  7. 13. four small bodies embedded in the superior and inferior poles of thyroid tissue
  8. 15. decreases plasma calcium by increasinf its absorption by bone
  9. 16. critical for normal nerve and muscle function
  10. 18. make bone and osteocytes maintain bone
  11. 20. characteristic clinically seen with hypocalcemic tetany
Down
  1. 1. net result of hypocalcemia
  2. 4. lamellae
  3. 6. bone fluid
  4. 8. support the body and provide leverage for muscles and movement
  5. 9. communicares with numerous smaller lacuna located throughout the haversian system
  6. 11. increase intestinal absorption of calcium
  7. 14. may be fatal; marked reduction below critical loimits
  8. 17. release PTH in response to low plasma
  9. 19. a functional parts in bone