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Animation: Osteoporosis
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Bones in the legs, arms, spine and pelvis grow
A)at different rates.
B)at the same rate.
C)until age 18, then they stop.
D)strongest after age 30.



2Which of the following is not considered a weight bearing activity?
A)walking
B)running
C)swimming
D)jumping rope



3Trusses and arches which help form an internal scaffolding network, are found in
A)bone marrow.
B)children only.
C)adults only.
D)trabecular bone.



4At which of the following ages would calcium loss from bone be more than calcium deposits into bone, even when a high calcium diet is eaten?
A)18 months old
B)10 years old
C)18 years old
D)50 years old



5Which mineral is most important throughout life to assist in maintaining strong bone?
A)potassium
B)calcium
C)sodium
D)phosphorus







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