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Bones are definitely active.

Bones are organs that are constantly active, building new bone and breaking down old bone.

• Bone develops through three processes: growth, modeling, and remodeling. Bone size is determined during growth, bone shape is determined during modeling and remodeling, and bone remodeling also affects the density of bone

(Pruitt 393)

Pruitt, Sheila Tucker B.E., Jane J. Stein, Benjamin Cummings, Joan Salge Blake, Janice Thompson, Mel. Nutrition, Health, and Wellness An Applied Approach VitalSource eBook For DeVry University. Pearson Learning Solutions. .

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The question also asks about material. The primary material is a mineral of calcium, phosphorus and oxygen, with help from other elements.

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9y ago

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