Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?
A) estrogen
B) thyroxine
C) parathyroid hormone
D) calcitonin

Name: Which hormone increases osteoclast activity to release more calcium ions into the bloodstream? A) estrogen B) thyroxine C) parathyroid hormone D) calcitonin
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Question

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Parathyroid hormone increases osteoclast activity, which releases calcium ions into the bloodstream, thereby raising blood calcium levels.

Which Hormone Increases Osteoclast Activity to Release More Calcium Ions