5. Red blood cell are produced surrounded by _____ within the bone.?

A. cartilage
B. periosteum
C. red marrow
D. yellow marrow

6. Which of the following is an immoveable joint?
A. ball-and-socket
B. hinge
C. pelvis
D. pivot

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Answers:

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5) C

and 6) C

:-) Hope I helped! Source(s): I love Science :)

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It's Friday, and I don't do homework on Friday.

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