Question

multiple choice question
bone remodeling occurs continually as ____ reabsorb bone tissue and ____ replace the bone. the total mass of bone remains nearly constant.
○ osteoclasts; osteoblasts
○ osteoblasts; osteoclasts

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Explanation:

Osteoclasts are cells that break down and reabsorb bone tissue. Osteoblasts are cells that build and replace bone. This is a fundamental concept in bone - biology.

Answer:

A. osteoclasts; osteoblasts