Question

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what is the primary function of osteoclasts?
a they develop into specialized cells for specific organs or tissues.
b they decompose bone so it can be absorbed into the body.
c they regulate bone mineralization and produce osteoid.
d they aid in the formation of bone and help maintain calcium balance.

Explanation:

• Option A: Describes cell differentiation (e.g., stem cells), not osteoclasts.
• Option B: Osteoclasts are responsible for bone resorption (decomposing bone for absorption), which matches their function.
• Option C: Osteoblasts regulate mineralization and produce osteoid, not osteoclasts.
• Option D: Osteoblasts/osteocytes aid in bone formation and calcium balance, not osteoclasts.

Answer:

B. They decompose bone so it can be absorbed into the body.