In bone, rings of matrix called ________ surround a central canal that contains blood vessels
A) osteoblasts
B) canaliculi
C) concentric lamellae
D) osteoclasts
C
Explanation:
A) Osteoblasts are bone cells for bone growth and repair.
B) Canaliculi are small channels that provide a passageway through the solid bone matrix for diffusion of nutrients and wastes.
D) Osteoclasts are bone cells that secrete small quantities of carbonic acid to dissolve portions of the bone matrix.
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