If your body were a tall building, your skeleton would ...

If your body were a tall building, your skeleton would be:

A. The beams and joists that hold it up

B. The plumbing and electrical systems

C. The foundation that anchors it to the ground

D. The apartments and offices inside it

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A disease called osteoarthritis occurs when the cartilage between joints wears away. What can you infer about osteoarthritis?

A. It prevents joints from moving smoothly

B. It causes joints to dislocate easily

C. It causes bones to become more brittle

D. It reduces joints’ range of motion