It is possible to remove calcium from compact bone by soaking the bone in vinegar for an extended period of time. Once the calcium is gone, the bone should be
A) about half the size as before soaking.
B) extremely flexible.
C) completely dissolved.
D) more rigid and inflexible.

Question

Quizplus · Accepted Answer

Calcium gives bones their hardness and rigidity. Removing calcium through soaking in vinegar (acetic acid) leaves behind the organic components, primarily collagen, which is flexible. Thus, without calcium, the bone becomes extremely flexible rather than rigid.

It Is Possible to Remove Calcium from Compact Bone by Soaking