Which of the following structures of the skeletal system is innervated?

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Correct Answer: E. Haversian canals
Innervated refers to the structure having nerves and blood vessels that run through it. Nails and hair are consider dead/dying cells and would not have blood vessels that run through the exterior nail structure. Cartilage is not innervated which attributes to the long healing time of sprained joints. Osteoclasts are cells that help to break down bone cells and these cells themselves do not have blood vessels or nerves. The Haversian canals are a network of opening in the bone that allow for nerves and blood vessels to weave in and out of the bone.
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