Osteoclasts: start the bone remodelling process, They Clear or breakdown old bone cells to make way for new cells, During bone growth osteoclasts reabsorbed excess calcium, Vitamin D is required for function, Osteoblasts: Osteoblasts form new bone following the osteoclast activity, form osteocytes, Osteoblasts form new bone by laying down collagen during ossification, Load bearing exercise can increase the number of osteoblasts., Osteocytes: Are formed when the osteoblast becomes trapped within the bone matrix and become mature bone cells, They send signals to osteocytes during a repair/remodelling process, They can remove calcium from the bone when levels are low in the body,

Bone Cells

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