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Animation: Bone Growth in Width
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Bone producing cells are...
A)lamellae.
B)osteons.
C)osteoblasts.
D)periosteum.
E)endosteum.



2The concentric rings of bone produced are...
A)lamellae.
B)osteons.
C)osteoblasts.
D)periosteum.
E)endosteum.



3The combination of all of the concentric rings of bone built around a single blood vessel is called a(n)...
A)lamella.
B)osteon.
C)osteoblast.
D)periosteum.
E)endosteum.



4Bone building cells beneath the endosteum lay down bone to form ridges around a blood vessel.
A)True
B)False



5Once a tunnel of bone is formed around a blood vessel, the bone building cells of the periosteum lay down bone in concentric circles that fill in the tunnel.
A)True
B)False







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