Answer :
The correct answer is C. The canal that runs through the core of each osteon contains blood vessels and nerve fibers.
Compact bone tissue is dense bone tissue made up of several functioning osteons. Osteons are made up of lamellae, osteocytes, a central canal (Haversian canal), and canaliculi that link the osteocytes to the blood supply.
The osteocytes that are immobilized within the osteon are supplied with oxygen and nutrients by these arteries. Blood veins from the central canal are connected to the osteocytes by canaliculi.
The cyndrical structures known as osteons are placed parallel to the surface of the bone along the long axis and carry oxygenated blood to the bone. Less than half of cortical bone, or roughly 45%, is made up of osteons with intact Haversian canals. The Haversian system, which enables the transfer of nutrients from the blood to bone, includes Haversian canals and osteons.
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