Parathyroid hormone increases the activity of ________ in bone and increases the rate of Ca2+ ________ in the kidney tubules.

A. osteocyte; reabsorption
B. osteoblast; secretion
C. osteoclast; reabsorption
D. osteoblast; reabsorption
E. osteocyte; secretion


Answer: C

Anatomy & Physiology

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