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Chapter 6: The Skeletal System

Chapter 6: The Skeletal System. Review game. Where in the bones are lipids stored?. Yello w bone marrow, Medullary cavity. Name one example of a long bone. Femur, Humerus , Phalanges…. What kind of bones are skull bones?. Flat bones. What are mature bone cells called?. Osteocytes.

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Chapter 6: The Skeletal System

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  1. Chapter 6: The Skeletal System Review game

  2. Where in the bones are lipids stored? Yellow bone marrow, Medullary cavity

  3. Name one example of a long bone. Femur, Humerus, Phalanges…

  4. What kind of bones are skull bones? Flat bones

  5. What are mature bone cells called? Osteocytes

  6. What are giant, multinucleated cells involved with osteolysis are known as? Osteoclasts

  7. Where on a long bone would you most likely find spongy bone? Epiphysis

  8. When is compact bone the strongest? When it is subjected to stress from a limited range of directions

  9. What are the struts & plates of spongy bone called? Trabeculae

  10. In which process does bone replace a cartilage model? Endochondral ossification

  11. Which condition results in a bone mass reduction significant enough to cause health problems? Osteoporosis

  12. In which process does bone form w/in mesenchymal or fibrous connective tissue? Intramembranous ossification

  13. Which mineral is associated w/ the development & mineralization of bone? Calcium

  14. In which process does bone matrix get recycled and renewed? Remodeling

  15. What hormone is synthesized in the kidneys & needed by the intestines for Ca & Phosphate absorption? Calcitrol

  16. Where would you be most likely to find a sesamoid bone? Near joints at the knee, hands and feet

  17. What membrane is found on the superficial surface of bones? Periosteum

  18. What is an important function of osteolysis? Release Ca & phosphates into the blood stream

  19. What 3 organs regulate the calcium ion concentration in body fluids? Bones, Kidneys & Intestines

  20. What hormone is released as a result of elevated Ca ion concentration in the blood? Calcitonin

  21. What kind of bone growth results in an increase of the diameter of a bone? Appositional growth

  22. What is the normal, gradual reduction in bone mass due to age known as? Osteopenia

  23. What are the 5 major functions of the skeletal system? Support, Storage, Blood cell formation, Protection, Leverage

  24. What are the 6 bone shape classifications that are used to categorize bones? Name an example of each. Long, Short, Flat, Irregular, Sesamoid, Sutural

  25. Why would an someone who experienced early puberty be shorter than a “normal” person? Early production of sex hormones results in a premature close in the growth plates.

  26. How might cancer be related to the development of severe bone mass reduction? Some cancers cause the release of osteoclast-activating factor, leading to osteoporosis.

  27. Why did Grandpa get shorter? Bones begin to lose mass more rapidly with age.

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