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How does the histology of compact hard bone show adaptations that are related to the functions of bone for the storage of calcium?

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Because all the Calcium in our body comes from our diet, we need a way to move that calcium from our digestive and circulatory system into our bones, where it is stored. One of the adaptations of hard bone that allows it to more easily absorb nutrients (including Calcium) is its penetration by blood vessels. Compact bone is the outer, dense layer of our bones, closest to the periosteum and adjacent blood vessels. Openings in compact bone allow blood to enter bone and deposit its nutrients. Volkmann’s canals run perpendicular to...

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