Hole-y Bones

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Students will compare the amount of calcium needed by the body at different developmental stages and demonstrate the effect of calcium loss on bones. This activity is from the NASA Sci Files: The Case of the Physical Fitness Challenge. It is found on page 44.

Tags: bones, osteroblasts, calcium, musculoskeletal system, osteoclasts, osteocytes, bone marrow, osteoporosis

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