Which Statement Is True Regarding Calcium in Bone Matrix

question 33

Multiple Choice

Which statement is true regarding calcium in bone matrix?

• A) Calcium is found in crystals called hydroxyapatite.
• B) Calcium is secreted by osteoblasts into the matrix.
• C) Once deposited, calcium cannot be removed from bone.
• D) Calcium provides flexibility to the bone matrix.
• E) Calcium is the organic part of the matrix.

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